Granted Patent
Utility
US 4,806,932 · App. 06/838,468
Radar-optical transponding system
Inventor:
Bartow Bechtel
Patented Case
View Patent ↗
Granted: Feb 21, 1989
Filed: Mar 11, 1986
Inventor
Bartow Bechtel
Assignee (at issue)
Entropy 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.