Granted Patent
Utility
US 5,130,535 · App. 07/595,163
Methods of and apparatus for measuring bending loss along a length of optical fiber
Inventors:
Raymond B. Kummer, Marcus Shute
Patented Case
View Patent ↗
Granted: Jul 14, 1992
Filed: Oct 10, 1990
Inventors
Raymond B. Kummer
Marcus Shute
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.