Granted Patent
Utility
US 4,835,524 · App. 07/134,467
Deactivatable security tag
Inventors:
Lee T. Lamond, Peter L. Gill
Patented Case
View Patent ↗
Granted: May 30, 1989
Filed: Dec 17, 1987
Inventors
Lee T. Lamond
Peter L. Gill
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.