Granted Patent
Utility
US 4,980,671 · App. 07/343,814
Remote confinement system with timed tamper signal reset
Inventor:
Jim A. McCurdy
Patented Case
View Patent ↗
Granted: Dec 25, 1990
Filed: Apr 26, 1989
Inventor
Jim A. McCurdy
Assignee (at issue)
Guardian Technologies LLC
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.