Granted Patent
Utility
US 4,613,052 · App. 06/728,377
Tamper-indicating closure, container and combination thereof
Inventors:
James L. Gregory, Steven R. Wolfe
Patented Case
View Patent ↗
Granted: Sep 23, 1986
Filed: Apr 29, 1985
Inventors
James L. Gregory
Steven R. Wolfe
Assignee (at issue)
Owens-Illinois Inc.
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.