Keyboard Patents

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A gallery of patents that describe technologies or illustrate designs relating to IBM and family keyboards, typewriters and keypunches. This includes keyswitch/actuator designs, ornamental designs (overall appearance), integrated pointing devices such as TrackPoints, and host systems such as PCs, laptops, terminals, consoles and electronic typewriters. All illustrations provided are from the patents themselves, which are believed to be within the public domain. A total of 112 patents have been recorded. The patent list is currently filtered to 2 patent(s).

U.S. Design Patent 225,645 (USD225645S)

A patent diagram of IBM's data processing ensemble from a front-left perspective

Applied 20 Jul 1970

Published 26 Dec 1972

Expired ~1986

More info

Name	Data processing ensemble
Inventors	Loring C. Bixler, Myron F. Davis, Francis J. Eisenman, Jr., Edward R. Wiener
Assignees	IBM
Description	An ornamental design depicting an IBM System/3 Model 6 midrange computer with an attached 5213 Printer and Operator Keyboard Console (Elastic Diaphragm encoded keyboard).

U.S. Design Patent 246,670 (USD246670S)

A patent diagram of IBM's data processing ensemble or similar article from a front-right perspective

Applied 13 Aug 1971

Published 13 Dec 1977

Expired 13 Dec 1991

More info

Name	Data processing ensemble or similar article
Inventors	Loring C. Bixler, Myron F. Davis, Francis J. Eisenman, Jr., Edward R. Wiener
Assignees	IBM
Description	An ornamental design depicting an IBM System/3 Model 6 midrange computer with an attached 2222 Printer and Operator Keyboard Console (Elastic Diaphragm encoded keyboard).