Granted Patent
Utility
US 5,570,441 · App. 08/247,165
Cylindrical fiber probes and methods of making them
Inventors:
Robert W. Filas, Herschel M. Marchman
Patented Case
View Patent ↗
Granted: Oct 29, 1996
Filed: May 20, 1994
Inventors
Robert W. Filas
Herschel M. Marchman
Assignee (at issue)
AT&T CORP.
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.