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

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Provided by the ASK Keyboard Patents database

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

Applied 9th September 1988

Published 19th March 1991

Expired 19th March 2005

Google Patents

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.

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