Granted Patent
Utility
US 4,991,793 · App. 07/551,038
Optical cable payoff system
Inventors:
Kendall L. Belsley, William C. Imes
Patented Case
View Patent ↗
Granted: Feb 12, 1991
Filed: Jul 11, 1990
Inventors
Kendall L. Belsley
William C. Imes
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.