Granted Patent
Utility
US 4,501,371 · App. 06/558,141
Tamper indicating, non-resealable closure
Inventor:
Ned J. Smalley
Patented Case
View Patent ↗
Granted: Feb 26, 1985
Filed: Dec 5, 1983
Inventor
Ned J. Smalley
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.