Granted Patent
Utility
US 4,987,372 · App. 07/388,197
Potentiometer state sensing circuit
Inventors:
John Ofori-Tenkorang, David M. Otten, Leo Francis Casey
Patented Case
View Patent ↗
Granted: Jan 22, 1991
Filed: Aug 1, 1989
Inventors
John Ofori-Tenkorang
David M. Otten
Leo Francis Casey
Assignee (at issue)
Lutron Electronics Co., 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.