Granted Patent
Utility
US 5,179,419 · App. 07/796,204
Methods of detecting, classifying and quantifying defects in optical fiber end faces
Inventors:
John Mark Palmquist, Arthur T. Schmidt, Jr., Behzad Shahraray
Patented Case
View Patent ↗
Granted: Jan 12, 1993
Filed: Nov 22, 1991
Inventors
John Mark Palmquist
Arthur T. Schmidt, Jr.
Behzad Shahraray
Assignee (at issue)
AT&T Bell Laboratories
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.