United States Patent Office

Victor G. Bloede, U.S. Patent for an Improved Mucilaginous Compound. Letters Patent No. 61,991, dated February 12, 1867. This patent,…

Victor G. Bloede, U.S. Patent for the Process of Tinting Fabrics. Letters Patent No. 394,446, dated December 11, 1888

Charlotte Cramer’s patent for “Combined key and flashlight”

Charlotte Cramer’s patent for “Cabinet”

Charlotte Cramer’s patent for “Lap tray”

Charlotte Cramer’s patent for “Personal cooling device”

Charlotte Cramer’s patent for “Wedge heel shoe”

Charles August Fey, patent for a coin-operated weighing scale. Patented November 4, 1913

Fifth-Wheel Construction Patent, filed 1919, issued 1922.

Fink Patent No. 10887, Truss Bridge, 1854

George Christian Gebelein, U.S. patent for a design for a dolphin paper weight and pen rest, April 9, 1912

George Christian Gebelein, U.S. patent for a design for a door knocker, July 14, 1914.

During his time as a watch repairman in Delaware, Ohio, Dietrich Gruen developed an improved center pinion for watches. Gruen’s…

In 1897, the Hohner firm patented a harmonica that would be sold under the brand name “Marine Band” and become…

H. Hollerith, “Apparatus for Compiling Statistics,” U.S. patent #395783, patented Jan. 8, 1889.

Ottmar Mergenthaler, Machine for Producing Linotypes, Type Matrices, & c. (also known as “Simplex”), U.S. Letters Patent No. 436,532, dated…

Ottmar Mergenthaler, Machine for Producing Printing Bars (also known as his “Single-Matrix” machine; later known as the “Blower”), U.S. Letters…

Ottmar Mergenthaler, Machine for Producing Type Bars (also known as “Square Base” model Linotype), U.S. Letters Patent No. 378,798, dated…

Patent for Bicycle Accessory with Voice Synthesis Capability (April 7, 1998)

Patent for Cathode-Ray Tube Amusement Device (January 25, 1947).

Patent for Indicator Announcing System (May 16, 1967)

Patent for Interactive Audio-Visual Work (July 2, 1996)

Patent for Interactive Video Apparatus with Audio and Video Branching (November 22, 1988)

Patent for Machine to Play Game of Nim (September 24, 1940)

Patent for Memory Device and Method and Circuits Relating Thereto (October 5, 1971)

Patent for Microcomputer Controlled Game (June 10, 1980).

Patent for Microcomputer Controlled Electronic Game Apparatus (August 12, 1980)

Patent for Microprocessor Controlled Game Apparatus (December 23, 1980)

Patent for Parachute Dereefing System (March 18, 1969)

Patent for Programmable Record Changer (June 6, 1978).

Patent for Television Gaming and Training Apparatus (April 17, 1973).

Patent for Television Gaming Apparatus and Method (April 25, 1972)

Patent for Television Precision Target Shooting Apparatus and Method (July 26, 1983).

Patent for Video Based Instructional and Entertainment System Using Animated Figure (July 11, 1989).

In 1901, Albert Schoenhut patented his improvements to the toy sailboat (U.S. Patent No. 685,648). In 1911, he applied for…

Much of the Schoenhut Company’s success was attributable to Albert’s emphasis on constant innovation and technical improvements. This design for…

Gustav Friedrich Wilhelm Schultze, patent for a coin-controlled apparatus. Patented August 8, 1893.

Isaac M. Singer's 1851 patent (no. 8,294) for his "improvement in sewing-machines." The application includes illustrations of the mechanism that…

Walter Spreckels patent for packaging cube sugar, 1922.

Walter Spreckels patent for refining sugar process, 1932.

U.S. Patent submission for the Cracker Jack moisture-proof bag