Granted Patent
Utility
US 4,485,474 · App. 06/329,340
Injection laser modulator with external resonator
Inventor:
Johann M. Osterwalder
Patented Case
View Patent ↗
Granted: Nov 27, 1984
Filed: Dec 10, 1981
Inventor
Johann M. Osterwalder
Assignee (at issue)
General Dynamics Corporation/Electronics
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.