IP Library › Granted Patent US 4,442,556
Granted Patent Utility
US 4,442,556 · App. 06/470,925

Sofa bed with inflatable mattress

Inventor: William A. Craigie
Patented Case View Patent ↗
Granted: Apr 17, 1984 Filed: Mar 1, 1983
Inventor
William A. Craigie

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Quick Facts
Patent No.
US 4,442,556
App. No.
06/470,925
Filed
1983-03-01
Granted
1984-04-17
Kind
A