Granted Patent
Utility
US 5,400,913 · App. 07/995,765
Tamper-indicating closure
Inventor:
Ronald L. Kelly
Patented Case
View Patent ↗
Granted: Mar 28, 1995
Filed: Dec 23, 1992
Inventor
Ronald L. Kelly
Assignee (at issue)
Crown, Cork & Seal Company, 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.