IP Library › Granted Patent US 4,901,543
Granted Patent Utility
US 4,901,543 · App. 07/270,663

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Inventor: Paul Appelbaum
Patented Case View Patent ↗
Granted: Feb 20, 1990 Filed: Nov 14, 1988
Inventor
Paul Appelbaum

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Quick Facts
Patent No.
US 4,901,543
App. No.
07/270,663
Filed
1988-11-14
Granted
1990-02-20
Kind
A