IP Library › Granted Patent US 4,500,068
Granted Patent Utility
US 4,500,068 · App. 06/480,983

Air valve

Inventors: Donald C. Rasmussen, deceased, James A. Kozel, deceased
Patented Case View Patent ↗
Granted: Feb 19, 1985 Filed: Mar 31, 1983
Inventors
Donald C. Rasmussen, deceased
James A. Kozel, deceased
Assignee (at issue)
The Singer Company Limited

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Quick Facts
Patent No.
US 4,500,068
App. No.
06/480,983
Filed
1983-03-31
Granted
1985-02-19
Kind
A