Granted Patent
Utility
US 5,224,617 · App. 07/788,922
Tamper evident container
Inventor:
Mario Gaudreault
Patented Case
View Patent ↗
Granted: Jul 6, 1993
Filed: Nov 7, 1991
Inventor
Mario Gaudreault
Assignee (at issue)
IPL 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.