Granted Patent
Utility
US 4,550,844 · App. 06/623,659
Tamper resistant closure with tear-off band
Inventor:
Michael A. Lininger
Patented Case
View Patent ↗
Granted: Nov 5, 1985
Filed: Jun 22, 1984
Inventor
Michael A. Lininger
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.