IP Library › Granted Patent US 4,459,707
Granted Patent Utility
US 4,459,707 · App. 06/410,726

Ear protecting device

Inventor: John P. Stallings
Patented Case View Patent ↗
Granted: Jul 17, 1984 Filed: Aug 23, 1982
Inventor
John P. Stallings
Assignee (at issue)
Cabot Corporation

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Quick Facts
Patent No.
US 4,459,707
App. No.
06/410,726
Filed
1982-08-23
Granted
1984-07-17
Kind
A