Granted Patent
Utility
US 4,380,394 · App. 06/266,773
Fiber optic interferometer
Inventor:
David W. Stowe
Patented Case
View Patent ↗
Granted: Apr 19, 1983
Filed: May 26, 1981
Inventor
David W. Stowe
Assignee (at issue)
Gould 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.