Granted Patent
Utility
US 4,662,757 · App. 06/611,957
Motion tracking system and method
Inventor:
Michael Duran
Patented Case
View Patent ↗
Granted: May 5, 1987
Filed: May 18, 1984
Inventor
Michael Duran
Assignee (at issue)
RCA Corporation
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.