Granted Patent
Utility
US 6,152,316 · App. 09/312,096
Tamper-indicating closure and method of manufacture
Inventor:
Richard B. Niese
Patented Case
View Patent ↗
Granted: Nov 28, 2000
Filed: May 17, 1999
Inventor
Richard B. Niese
Assignee (at issue)
Owens-Illinois Closure 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.