Granted Patent
Utility
US 4,375,012 · App. 06/258,713
Tapered retractile cords
Inventors:
Eugene R. Cocco, William G. Pflugrad, Byron Lee Small
Patented Case
View Patent ↗
Granted: Feb 22, 1983
Filed: Apr 29, 1981
Inventors
Eugene R. Cocco
William G. Pflugrad
Byron Lee Small
Assignee (at issue)
Western Electric Company, 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.