Granted Patent
Utility
US 4,857,727 · App. 07/193,008
Optically powered remote sensors with timing discrimination
Inventors:
James E. Lenz, Paul E. Bjork, Hisatoshi Fujiwara
Patented Case
View Patent ↗
Granted: Aug 15, 1989
Filed: May 12, 1988
Inventors
James E. Lenz
Paul E. Bjork
Hisatoshi Fujiwara
Assignee (at issue)
Honeywell 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.