IP Library › Granted Patent US 4,766,628
Granted Patent Utility
US 4,766,628 · App. 07/016,566

Air mattress with filler check valve and cap therefor

Inventor: Robert A. Walker
Patented Case View Patent ↗
Granted: Aug 30, 1988 Filed: Feb 19, 1987
Inventor
Robert A. Walker

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Quick Facts
Patent No.
US 4,766,628
App. No.
07/016,566
Filed
1987-02-19
Granted
1988-08-30
Kind
A