Granted Patent
Utility
US 4,474,593 · App. 06/529,775
Method of fabricating a lightguide fiber
Inventors:
Matthew J. Andrejco, Eugene Potkay
Patented Case
View Patent ↗
Granted: Oct 2, 1984
Filed: Sep 6, 1983
Inventors
Matthew J. Andrejco
Eugene Potkay
Assignee (at issue)
AT&T Technologies Incorporated
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.