Granted Patent
Utility
US 5,959,533 · App. 08/863,158
Tamper detection for body worn transmitter
Inventors:
Hoyt M. Layson, David Segal, Peter Lefferson
Patented Case
View Patent ↗
Granted: Sep 28, 1999
Filed: May 27, 1997
Inventors
Hoyt M. Layson
David Segal
Peter Lefferson
Assignee (at issue)
Pro Tech Monitoring, 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.