Granted Patent
Utility
US 5,638,471 · App. 08/420,853
Method of preparing an optical fiber for coupling with a phototransducer and an optical system obtained thereby
Inventors:
Jack Semo, Ndiata Kalonji
Patented Case
View Patent ↗
Granted: Jun 10, 1997
Filed: Apr 12, 1995
Inventors
Jack Semo
Ndiata Kalonji
Assignee (at issue)
FRANCE TELECOM
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.