Granted Patent
Utility
US 4,773,754 · App. 06/325,890
End-point optical tracker
Inventor:
Robert Eisele
Patented Case
View Patent ↗
Granted: Sep 27, 1988
Filed: Nov 30, 1981
Inventor
Robert Eisele
Assignee (at issue)
Ford Motor Company
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.