Inventors & Geniuses
inventors & geniuses — pre-owned
Browse 1,243 inventors & geniuses — pre-owned on eBay — listings updated every few minutes. All items are pre-owned and sold by eBay sellers directly.

Rare 1840 Patent Model w USPTO - O. Rundle Gilbert Collection
The model is signed, adding a personal touch and authenticity to its significance. Photocopy of original drawing. Includes copy of Patent Office application.

Antique Hot Water Urn Kettle US Patent Model 19th C Salesman Sample
A scarce U.S. Patent Model of an urn form hot water kettle with base and spigot, 19th century. This invention is from the well documented Cliff Petersen collection, i have a few other listings from the collection as well. Might have been used as a salesman sample before or after submission. Overall in good condition and intact, lid is removable. Typical surface wear from handling/age, patination to surface, rub marks and small scattered bumps/dings, etc. Please see all photos for condition. There is a tag seen in photos attached but it was removed as it belonged to another model. A fine piece to add to your collection! Approx. 19.5” t x 10.5” w Lion to Lion . Spigot 5.5” l Ships well packed and fully insured

Intel 8797BH Die Shot CAD Drawing, Vintage, Framed, VERY RARE 1982, Tech
Intel 8797BH Die Shot CAD Drawing, Vintage, Framed, VERY RARE 1982 This is a framed die shot or CAD drawing of an Intel 8797BH from 1982. See photos for condition. Approx 10.5inx11.5in Keywords: Intel A8797BH: 16-bit Microcontroller Tech gift Vintage tech gift Intel gift Microchip CPU Computer science gift

Antique Gate Door Latch U.S. Patent Model 19th C. Salesman Sample EX-CHRISTIES
An original and larger size U.S. Patent Model of a gate with a door latch submitted to the patent office by inventor C.C. Holcomb in 1868. The attached Christie’s sticker is incorrect and was misplaced.

1858 Machine for Leathering Tacks & Nails. Patent Model No. 20821. C.L. Russell
1858 Machine for Leathering Tacks & Nails. This is one of the most complicated patent models I have ever owned. The base is missing its legs. The wheel is brass and very heavy in comparison to the rest of the model, so I can see where it may have fallen.

NIKOLA TESLA - ACEO D. GORDON PROMO TRADING CARD - MINT CONDITION
Nikola Tesla ACEO trading card with areproduction signature. Standard 2-1/2" x 3-1/2" size. Mint condition. NIKOLA TESLA AUTOGRAPH CARD. ACEO = Art Cards, Editions and Originals. Back of card: D. Gordon - Portrait & Landscape Photographer - Gupar Fife -facsimile autograph edition.

Mr. Vocalite Westinghouse 1931 “Robot Obeys Spoken Orders & Has Mechanical Mind”
A look back at Mr. Vocalite, the Westinghouse Electric Robot. & Plans from a Bygone Era. Discover a Wealth of How-to Projects. Grandpa's Secrets.

1966 five page cartoon story ~ Anatomist LUIGI GALVANI
Not a photocopy or more recent reproduction.

2006 ALBERT HOFMANN LSD SYMPOSIUM BICYCLE DAY ACID SANDOZ PSYCHEDELIC DRUG ERGOT
These were only available at the 2006 Symposium in Basel Switzerland. Very Rare.

1947 four page cartoon story ~ ARCTIC EXPLORER BOB BARTLETT
Not a photocopy or more recent reproduction.

2025 Pieces of the Past Inventors Edition Relic #566 Nikola Tesla

Samuel F B Morse Telegraph Inventor Trade Card Calendar Cambridge Insurance
Features Samuel F. B. Morse portrait. Desirable inventor and communications history subject. Original calendar on reverse.

1910 Carnegie Alexander Graham Bell Early Telephone New York City Print F17G
You save $6.25

RARE Benjamin Franklin Book Set (3) Signed Carl Van Doren Limited First Edition
Pulitzer Prize: This specific work won the1939 Pulitzer Prize for Biography. It is widely considered one of the most authoritative biographies of Franklin ever written, as Van Doren worked directly from Franklin's original manuscripts and letters.

Vintage Phillippe Cortier Gold Tone PocketWatch. Wind Mechanical Beautiful Swiss
The Vintage Phillippe Cortier Gold Tone PocketWatch is a luxurious collectible item originating from Switzerland in the 1950s. This wind mechanical pocket watch is a timeless piece that embodies the spirit of Inventors & Geniuses with its intricate design and Swiss craftsmanship. Perfect for collectors or those intrigued by historical memorabilia, this pocket watch is a stunning representation of vintage. elegance and Swiss precision. May need repair, seems to work.

Antique Printing Press Illustration US Patent Model 19th Century Salesman Sample
A scarce and highly detailed watercolor and ink patent model illustration of the "Leggetts Queen Press" by J.R. & A. Ransome, dated 1849. This illustration is from a collection of patent models I purchased. All other models are from the well documented Cliff Petersen collection (with attached provenance) and were sold at Christie’s. This example was likely from the same collection/auction but without attached paperwork. It also might have been used as a salesman sample before or after submission. Overall in good condition for age with toning to paper, some creases from handling, etc. Please see all photos for condition. A fine piece to add to your collection! Measures 11" x 10.75" framed Ships well packed and fully insured

1886 magazine engraving ~ WILLIAM H VANDERBILT'S DEATH IN THE LIBRARY
Not a photocopy or more recent reproduction.

1852 magazine engraving ~ NAPOLEON - THE RECONCILIATION WITH JOSEPHINE
Not a photocopy or more recent reproduction.

Rare Spherical Specimen of Graphite from Chicago Pile 1 - CP-1 - Nuclear Reactor
, it appears the spherical shape was pivotal in the success of the first reactor. I’ve since learned that CP-1 was the world's first human-made, self-sustaining nuclear reactor, built by scientists at the University of Chicago under the direction of Enrico Fermi.

LARYNGEAL TUBERCULOIS TREATMENT FRANK VERBA 1923 LARYNGOSCOPE PATENTED INVENTION
Manager: Verba Larynygocope Co. Frank J.Verba. 1923 (no longer listed in 1924 CBD). Item: Two ORIGINAL product brochures. Date: c. 1920s. Respective Size 15 E. Bijou. Manager, General Service Co.

(4) Vintage Tesla Banska Bystrica , Slovakia lapel or hat pins with case RARE
4 Tesla lapel or hat pins with case RARE.

ORIGINAL FABRIC SWATCH FROM THE 1903 KITTY HAWK WRIGHT FLYER -Wright Brothers
A piece of the original fabric of the airplane used in the fabled First Flight of the Wright Brothers! The Wright family cut the fabric into small swatches which were given to various people. ORIGINAL FABRIC SWATCH FROM THE 1903 KITTY HAWK WRIGHT FLYER - CERTIFIED BY IVONETTE WRIGHT MILLER.

Vintage Edison Stock Ticket Replica W/glass dome 1870 Display
Vintage Edison Stock Ticket Replica W/glass dome 1870 Display Neat piece

Philo T. Farnsworth “His Vision Made Television” 1940 pictorial Life Story
& Plans from a Bygone Era. Discover a Wealth of How-to Projects. Grandpa's Secrets.

Thomas Edison Electric Institute Award Brass Plaque Alabama Power Company Farm
Thomas Edison Electric Institute Award Brass Plaque Alabama Power Company .....

Mark Twain and Halley's Comet Stamped Envelope (1985)
Unsealed and unglued envelope is 8 1/2" long x 3 9/16" wide. In good condition.

THOMAS ALVA EDISON Naval Consulting Board Chairman PHOTO 1915 Science Magazine
Thomas Alva Edison. The color cover shows soldiers scaling the side of a mountain. Thomas Jefferson. Historical reports may be beautiful or ugly, but they are always informative. If you find any to be offensive, we agree!

Benjamin Franklin Be An’ Creation Station Famous Figure
The Benjamin Franklin Be An' Creation Station is a unique collectible item that pays tribute to the famous inventor and genius, Benjamin Franklin. This creation station allows users to create their own inventions and ideas inspired by Franklin's innovative spirit. With a focus on the theme of inventors & geniuses, this product is a perfect addition to any historical memorabilia or collectibles collection. It offers a hands-on experience for individuals to celebrate the legacy of Benjamin Franklin and channel their own creativity and problem-solving skills.

Antique Heavy Bronze Patent Model Barnard Jones
Antique Heavy Bronze Patent Model Barnard Jones. Parts labeled A - E. See pictures. Almost 2 1/2 lbs. 10" when closed. Check out my other items! smbxs

eminem signed certification professionally framed portrait

ALBERT EINSTEIN BUST Resin Sculpture on Plinth with Mathematical Formulas
This heavyweight bust is cast in solid resin with a white finish. It depicts Einstein with typical shaggy hair, moustache and half of his collar sticking out from this sweater. The plinth is inscribed with mathematical formulas on all four sides.
You save $15.75

2 Frank Lloyd Wright Luxfer Wave Prism Glass Tiles Transom Window Transom
Here are two 4”x4” glass prism tiles in a design. These tiles were removed from a 100 year old building in downtown Augusta Ga about 20 years ago. They started out clear but many have turned a lovely lavender/purple depending upon the amount of sunlight they received. I have a few still clear that were removed from inside installations. * These are well over 100 years old so they sometimes have tiny nips.. They are lovely old glass. * Please see all photos and consider part of the description. Questions are encouraged. * The tiles in these photos are the tiles you will receive. More prism tiles are available in many patterns. $$$$$ Shipping rate stays the same regardless of how many you purchase $$$$$

9-ORIGINAL U.S. Patents 5 consecutive numbers Paul S.Donchian 1920-1930's

1910 Alexander Graham Bell Early Telephone Chicago New York Line Print F17G
In good antique condition with typical paper wear for it's age as shown including typical staining for it's age. Opposite side may have images or printing related to or unrelated to item shown.
You save $6.25

HISTORIC RARE OLD CHEMIST CHEMICAL SECRETARY CHARLES L PARSONS LETTER 1944 5300
See photos. Letter dated 1944 on Charles L Parsons letterhead. Washington DC. Very interesting subject. Great piece of Chemical history.

Elektro and Sparko Westinghouse Robot 1949 pictorial
"You Say It, Robot Does It". Elektro could walk, talk (77words), count to ten, and distinguish colors. We do not photocopy these. & Plans from a Bygone Era. Discover a Wealth of How-to Projects. Grandpa's Secrets.

1947 four page cartoon story ~ JOHN CABOT, HENRY HUDSON, ROALD AMUNDSEN
Not a photocopy or more recent reproduction.

Vintage Thomas Edison Stock Exchange Ticker Tape Tabletop Cigarette Lighter
This does not have the glass globe.

2025 Eternal Revelation Henry Cavendish Relic Card #08/75 Authentic History
Subject:Henry Cavendish. 2025 Eternal Revelation – World Celebrities Edition. Step back into the Age of Discovery with thisauthentic history relic card from the2025 Eternal Revelation World Celebrities Edition.

Antique Water Skate Shoe Patent Model 19th C. American Salesman Sample CHRISTIES
What a neat oddity! A U.S. Patent Model of a "Water Skate" submitted to the patent office by NY inventor Welling C. Soule in 1879. This invention was created to allow one to "walk on water". Assorted paperwork, Petersen paperwork, and Christie’s label included with model.