IP Library › Granted Patent US 4,776,572
Granted Patent Utility
US 4,776,572 · App. 07/113,227

Box spring assembly

Inventors: Zygmunt M. Surletta, David R. Bombard
Patented Case View Patent ↗
Granted: Oct 11, 1988 Filed: Oct 23, 1987
Inventors
Zygmunt M. Surletta
David R. Bombard

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Quick Facts
Patent No.
US 4,776,572
App. No.
07/113,227
Filed
1987-10-23
Granted
1988-10-11
Kind
A