Granted Patent
Utility
US 5,172,421 · App. 07/676,058
Automated method of classifying optical fiber flaws
Inventors:
Alan M. Nakamura, Teresa M. Silberberg, Michael R. Vince, Theodore Carmely
Patented Case
View Patent ↗
Granted: Dec 15, 1992
Filed: Mar 27, 1991
Inventors
Alan M. Nakamura
Teresa M. Silberberg
Michael R. Vince
Theodore Carmely
Assignee (at issue)
Hughes Aircraft Company
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.