Granted Patent
Utility
US 4,789,881 · App. 07/040,978
Low coherence optical system having reflective means
Inventor:
Gerard A. Alphonse
Patented Case
View Patent ↗
Granted: Dec 6, 1988
Filed: Apr 20, 1987
Inventor
Gerard A. Alphonse
Assignee (at issue)
General Electric Company
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.