IP Library › Granted Patent US 4,037,291
Granted Patent Utility
US 4,037,291 · App. 05/715,979

Caster and swivel lock assembly

Inventors: David F. Huempfner, Richard C. Tringali
Patented Case View Patent ↗
Granted: Jul 26, 1977 Filed: Aug 19, 1976
Inventors
David F. Huempfner
Richard C. Tringali
Assignee (at issue)
American Hospital Supply Corp.

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Quick Facts
Patent No.
US 4,037,291
App. No.
05/715,979
Filed
1976-08-19
Granted
1977-07-26
Kind
A