Granted Patent
Utility
US 4,945,541 · App. 07/373,158
Method and apparatus for controlling the bias current of a laser diode
Inventor:
Takao Nakayama
Patented Case
View Patent ↗
Granted: Jul 31, 1990
Filed: Jun 28, 1989
Inventor
Takao Nakayama
Assignees (at issue)
Digital Equipment Corporation
Digital Equipment 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.