Granted Patent
Utility
US 5,892,441 · App. 08/670,621
Sensing with active electronic tags
Inventors:
Louis A. Woolley, James H. Weimar
Patented Case
View Patent ↗
Granted: Apr 6, 1999
Filed: Jun 26, 1996
Inventors
Louis A. Woolley
James H. Weimar
Assignee (at issue)
Par Goverment Systems Corporation
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.