Granted Patent
Utility
US 5,942,981 · App. 08/599,087
Low battery detector for a wireless sensor
Inventor:
Gerald M. Kackman
Patented Case
View Patent ↗
Granted: Aug 24, 1999
Filed: Feb 9, 1996
Inventor
Gerald M. Kackman
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.