Granted Patent
Utility
US 4,568,408 · App. 06/563,077
Fiber optic energy sensor and optical demodulation system and methods of making same
Inventors:
Donald Schmadel, William H. Culver, Gordon Gould
Patented Case
View Patent ↗
Granted: Feb 4, 1986
Filed: Jan 23, 1984
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.