IP Library › Granted Patent US 4,182,579
Granted Patent Utility
US 4,182,579 · App. 05/864,144

Retaining ring

Inventors: Harold E. McCormick, Roger L. Berkbigler
Patented Case View Patent ↗
Granted: Jan 8, 1980 Filed: Dec 23, 1977
Inventors
Harold E. McCormick
Roger L. Berkbigler
Assignee (at issue)
Ramsey Foundation

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Quick Facts
Patent No.
US 4,182,579
App. No.
05/864,144
Filed
1977-12-23
Granted
1980-01-08
Kind
A