Granted Patent
Utility
US 4,200,808 · App. 05/873,205
Continuously tunable wideband coherent infrared source
Inventor:
Richard L. Herbst
Patented Case
View Patent ↗
Granted: Apr 29, 1980
Filed: Jan 30, 1978
Inventor
Richard L. Herbst
Assignee (at issue)
Quanta Ray, Inc.
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.