Granted Patent
Utility
US 5,019,769 · App. 07/583,178
Semiconductor laser diode controller and laser diode biasing control method
Inventor:
Frank H. Levinson
Patented Case
View Patent ↗
Granted: May 28, 1991
Filed: Sep 14, 1990
Inventor
Frank H. Levinson
Assignee (at issue)
FINISAR 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.