Granted Patent
Utility
US 4,323,300 · App. 06/106,040
Optical fibre connectors
Inventors:
William J. Stewart, John A. Robinson, Richard Leon Carpenter
Patented Case
View Patent ↗
Granted: Apr 6, 1982
Filed: Dec 21, 1979
Inventors
William J. Stewart
John A. Robinson
Richard Leon Carpenter
Assignee (at issue)
Plessey Handel Und Investments AG
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.