Granted Patent
Utility
US 5,065,013 · App. 07/584,626
Optical encoders using transmitted and reflected light detection having complementary output
Inventor:
Robert M. Taylor
Patented Case
View Patent ↗
Granted: Nov 12, 1991
Filed: Sep 19, 1990
Inventor
Robert M. Taylor
Assignee (at issue)
Smiths Industries Public Limited 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.