Granted Patent
Utility
US 4,367,458 · App. 06/182,497
Supervised wireless security system
Inventor:
Kenneth R. Hackett
Patented Case
View Patent ↗
Granted: Jan 4, 1983
Filed: Aug 29, 1980
Inventor
Kenneth R. Hackett
Assignee (at issue)
Ultrak, 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.