IP Library Granted Patent US 4,937,992
Granted Patent Utility
US 4,937,992 · App. 07/369,639

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Inventors: John L. Dawson, David L. Bridges
Patented Case View Patent ↗
Granted: Jul 3, 1990 Filed: Jun 21, 1989
Inventors
John L. Dawson
David L. Bridges
Assignee (at issue)
Commercial and Architectural Products, Inc.

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Quick Facts
Patent No.
US 4,937,992
App. No.
07/369,639
Filed
1989-06-21
Granted
1990-07-03
Kind
A