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 1 patent(s).

U.S. Design Patent 325,199 (USD325199S)

A patent drawing of AT&T's keyboard housing from a front-right perspective

Applied 6 Apr 1990

Published 7 Apr 1992

Expired 7 Apr 2006

More info

Name	Keyboard housing
Inventors	Hanumaiah L. Gowda, John Kowalik, Jr., Henry J. Mack, Jr., David J. Mayer, Stephen G. Miggels
Assignees	Nokia Bell Labs USA, AT&T
Description	An ornamental design depicting an AT&T KBD 305C series buckling-spring keyboard.