Granted Patent
Utility
US 4,885,571 · App. 07/231,823
Tag for use with personnel monitoring system
Inventors:
James D. Pauley, Allen E. Ripingill, Jr.
Patented Case
View Patent ↗
Granted: Dec 5, 1989
Filed: Aug 12, 1988
Inventors
James D. Pauley
Allen E. Ripingill, Jr.
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.