Granted Patent
Utility
US 6,810,135 · App. 09/607,008
Optimized human presence detection through elimination of background interference
Inventors:
John J. Berenz, George W. McIver, Joseph W. Niesen, Barry Dunbridge, Gregory A. Shreve
Patented Case
View Patent ↗
Granted: Oct 26, 2004
Filed: Jun 29, 2000
Inventors
John J. Berenz
George W. McIver
Joseph W. Niesen
Barry Dunbridge
Gregory A. Shreve
Assignee (at issue)
TRW Limited
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.