Gebelein, George Christian, U.S. Patent for a Design for a Door KnockerGeorge Christian Gebelein, U.S. patent for a design for a door knocker, July 14, 1914.
Instructions for Both’s Patent Section Liner & Scale Divider, no. 1159, issued by Keuffel & Esser Co., New York and ChicagoInstructions for Both’s Patent Section Liner & Scale Divider, no. 1159, issued by Keuffel & Esser Co., New York and…
Karpen, SolomonSolomon Karpen founded S. Karpen & Bros. in Chicago in 1880. By 1899, it had become the largest upholstered furniture manufacturing company in the world.
List of Possible Games, Scoring Method, and Joystick DiagramList of Possible Games, Scoring Method, and Joystick Diagram (February 12, 1967)
Mergenthaler, Ottmar, Machine for Producing Linotypes PatentOttmar Mergenthaler, Machine for Producing Linotypes, Type Matrices, & c. (also known as “Simplex”), U.S. Letters Patent No. 436,532, dated…
Mergenthaler, Ottmar, Machine for Producing Printing Bars PatentOttmar Mergenthaler, Machine for Producing Printing Bars (also known as his “Single-Matrix” machine; later known as the “Blower”), U.S. Letters…
Mergenthaler, Ottmar, Machine for Producing Type Bars PatentOttmar Mergenthaler, Machine for Producing Type Bars (also known as “Square Base” model Linotype), U.S. Letters Patent No. 378,798, dated…
Notebook from October 1967 to November 1967Notebook from October 1967 to November 1967 (authored by William Rusch)
Patent for Bicycle Accessory with Voice Synthesis CapabilityPatent for Bicycle Accessory with Voice Synthesis Capability (April 7, 1998)
Patent for Cathode-Ray Tube Amusement DevicePatent for Cathode-Ray Tube Amusement Device (January 25, 1947).
Patent for Interactive Video Apparatus with Audio and Video BranchingPatent for Interactive Video Apparatus with Audio and Video Branching (November 22, 1988)
Patent for Memory Device and Method and Circuits Relating TheretoPatent for Memory Device and Method and Circuits Relating Thereto (October 5, 1971)
Patent for Microprocessor Controlled Game ApparatusPatent for Microprocessor Controlled Game Apparatus (December 23, 1980)