IP Library › Granted Patent US 5,229,833
Granted Patent Utility
US 5,229,833 · App. 07/765,891

Optical sensor

Inventor: William J. Stewart
Patented Case View Patent ↗
Granted: Jul 20, 1993 Filed: Sep 26, 1991
Inventor
William J. Stewart
Assignee (at issue)
GEC-Marconi Ltd.

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Quick Facts
Patent No.
US 5,229,833
App. No.
07/765,891
Filed
1991-09-26
Granted
1993-07-20
Kind
A