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 145 patents have been recorded. The patent list is currently filtered to 1 patent(s).

U.S. Design Patent 315,553 (USD315553S)

A patent drawing of IBM's Portable computer from a front-right perspective

Applied 9 Sep 1988

Published 19 Mar 1991

Expired 19 Mar 2005

Google

Name	Portable computer
Inventors	Myron F. Davis, Jr., Ted F. Kelley, Jr., Randall W. Martin, Tomoyuki Takahashi, Ernest Wittner
Assignees	Lenovo (Singapore)
Description	An ornamental design depicting the IBM 8573 Personal System/2 Model P70 portable computer and its detachable keyboard assembly using Alps SKCP keyswitches.