Granted Patent
Utility
US 5,255,306 · App. 07/639,795
Cellular interface unit for use with an electronic house arrest monitoring system
Inventors:
Donald A. Melton, Gregory A. Younger
Patented Case
View Patent ↗
Granted: Oct 19, 1993
Filed: Jan 10, 1991
Inventors
Donald A. Melton
Gregory A. Younger
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.