Granted Patent
Utility
US 4,831,363 · App. 07/092,428
Article security system
Inventor:
Albert E. Wolf
Patented Case
View Patent ↗
Granted: May 16, 1989
Filed: Sep 3, 1987
Inventor
Albert E. Wolf
Assignee (at issue)
CHECKPOINT SYSTEMS, 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.