Granted Patent
Utility
US 5,873,482 · App. 08/994,536
Tamper-evident container closure
Inventor:
Rino Conti
Patented Case
View Patent ↗
Granted: Feb 23, 1999
Filed: Dec 19, 1997
Inventor
Rino Conti
Assignee (at issue)
PLASTAL CO., LTD.
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.