Granted Patent
Utility
US 4,834,252 · App. 07/247,613
Tamper evident closure with handle
Inventor:
Harry E. Crisci
Patented Case
View Patent ↗
Granted: May 30, 1989
Filed: Sep 22, 1988
Inventor
Harry E. Crisci
Assignee (at issue)
C.C.D.J., 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.