Granted Patent
Utility
US 5,886,834 · App. 08/931,925
Passive scene base calibration system
Inventors:
James Anton Harder, Val J. Herrera
Patented Case
View Patent ↗
Granted: Mar 23, 1999
Filed: Sep 17, 1997
Inventors
James Anton Harder
Val J. Herrera
Assignee (at issue)
Raytheon TI Systems, Inc.
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.