Granted Patent
Utility
US 5,736,927 · App. 08/472,738
Audio listen and voice security system
Inventors:
Kevin Stebbins, Paul K. Severson
Patented Case
View Patent ↗
Granted: Apr 7, 1998
Filed: Jun 7, 1995
Inventors
Kevin Stebbins
Paul K. Severson
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.