Granted Patent
Utility
US 4,484,331 · App. 06/572,955
Regulator for bias current of semiconductor laser diode
Inventor:
Richard D. Miller
Patented Case
View Patent ↗
Granted: Nov 20, 1984
Filed: Jan 23, 1984
Inventor
Richard D. Miller
Assignee (at issue)
RCA 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.