IP Library › Granted Patent US 4,458,822
Granted Patent Utility
US 4,458,822 · App. 06/448,065

Tamper-indicating closure

Inventor: Efrem M. Ostrowsky
Patented Case View Patent ↗
Granted: Jul 10, 1984 Filed: Dec 9, 1982
Inventor
Efrem M. Ostrowsky
Assignee (at issue)
Ethyl Molded Products Company

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Quick Facts
Patent No.
US 4,458,822
App. No.
06/448,065
Filed
1982-12-09
Granted
1984-07-10
Kind
A