Granted Patent
Utility
US 6,327,399 · App. 09/444,977
Optical devices employing an optical thresholder
Inventors:
Richard A. Fields, Bruce A. Ferguson, Mark Kintis, Elizabeth T. Kunkee, Lawrence J. Lembo, Stephen R. Perkins, David L. Rollins, Eric L. Upton
Patented Case
View Patent ↗
Granted: Dec 4, 2001
Filed: Nov 22, 1999
Inventors
Richard A. Fields
Bruce A. Ferguson
Mark Kintis
Elizabeth T. Kunkee
Lawrence J. Lembo
Stephen R. Perkins
David L. Rollins
Eric L. Upton
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.