Granted Patent
Utility
US 6,014,080 · App. 09/181,244
Body worn active and passive tracking device
Inventor:
Hoyt M. Layson
Patented Case
View Patent ↗
Granted: Jan 11, 2000
Filed: Oct 28, 1998
Inventor
Hoyt M. Layson
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.