Granted Patent
Utility
US 5,790,040 · App. 08/766,807
Battery-operated security system sensors
Inventors:
James Kreier, Keith D. Kuhnly
Patented Case
View Patent ↗
Granted: Aug 4, 1998
Filed: Dec 13, 1996
Inventors
James Kreier
Keith D. Kuhnly
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.