U.S. Design Patent 186,633 (USD186633S)

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Provided by the ASK Keyboard Patents database

A patent drawing of IBM's proof inscriber from a front-right perspective.

Applied 1st May 1959

Published 10th November 1959

Expired ~1973

Google Patents

Name	Proof inscriber
Inventors	Robert H. Eytel
Assignees	IBM
Description	An ornamental design depicting an IBM 1201 Proof Inscriber.

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