IP Library › Granted Patent US 4,730,745
Granted Patent Utility
US 4,730,745 · App. 07/031,968

Tamper indicating plug style closure

Inventor: Robert A. Perry
Patented Case View Patent ↗
Granted: Mar 15, 1988 Filed: Mar 30, 1987
Inventor
Robert A. Perry
Assignee (at issue)
Owens-Illinois Closure Inc.

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Quick Facts
Patent No.
US 4,730,745
App. No.
07/031,968
Filed
1987-03-30
Granted
1988-03-15
Kind
A