Granted Patent
Utility
US 4,754,262 · App. 06/894,098
Multiplexed alarm system
Inventors:
Kenneth R. Hackett, Alan R. Permut
Patented Case
View Patent ↗
Granted: Jun 28, 1988
Filed: Aug 8, 1986
Inventors
Kenneth R. Hackett
Alan R. Permut
Assignee (at issue)
Interactive Technologies, 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.