Granted Patent
Utility
US 4,268,116 · App. 06/088,579
Method and apparatus for radiant energy modulation in optical fibers
Inventors:
Donald Schmadel, William H. Culver, Gordon Gould
Patented Case
View Patent ↗
Granted: May 19, 1981
Filed: Oct 26, 1979
Inventors
Donald Schmadel
William H. Culver
Gordon Gould
Assignee (at issue)
Optelecom, 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.