IP Library › Granted Patent US 4,816,316
Granted Patent Utility
US 4,816,316 · App. 07/078,675

Ribbed sheet

Inventor: Edward S. Robbins, III
Patented Case View Patent ↗
Granted: Mar 28, 1989 Filed: Jul 28, 1987
Inventor
Edward S. Robbins, III

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Quick Facts
Patent No.
US 4,816,316
App. No.
07/078,675
Filed
1987-07-28
Granted
1989-03-28
Kind
A