Granted Patent
Utility
US 5,012,162 · App. 07/508,450
Light emitting diode transmitter circuit with temperature compensation
Inventor:
Cornell S. L. Chun
Patented Case
View Patent ↗
Granted: Apr 30, 1991
Filed: Apr 13, 1990
Inventor
Cornell S. L. Chun
Assignee (at issue)
Unisys 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.