IP Library Granted Patent US 4,424,724
Granted Patent Utility
US 4,424,724 · App. 06/309,951

Multi-position ratchet mechanism

Inventors: John R. Bookwalter, Alan I. West
Patented Case View Patent ↗
Granted: Jan 10, 1984 Filed: Oct 9, 1981
Inventors
John R. Bookwalter
Alan I. West
Assignee (at issue)
Codman & Shurtleff, Inc.

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Quick Facts
Patent No.
US 4,424,724
App. No.
06/309,951
Filed
1981-10-09
Granted
1984-01-10
Kind
A