Granted Patent
Utility
US 5,977,877 · App. 09/080,310
Multiple conductor security tag
Inventors:
Robert Donald McCulloch, David McEwing, Brian Martin, Jennifer McKenzie
Patented Case
View Patent ↗
Granted: Nov 2, 1999
Filed: May 18, 1998
Inventors
Robert Donald McCulloch
David McEwing
Brian Martin
Jennifer McKenzie
Assignee (at issue)
Instantel 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.