Granted Patent
Utility
US 5,146,207 · App. 07/723,481
Secure field monitoring device for use in electronic house arrest monitoring system
Inventors:
Daniel L. Henry, Gregory Muir, Joseph DeSimone
Patented Case
View Patent ↗
Granted: Sep 8, 1992
Filed: Jul 1, 1991
Inventors
Daniel L. Henry
Gregory Muir
Joseph DeSimone
Assignee (at issue)
BI Incorporated
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.