Granted Patent
Utility
US 5,202,745 · App. 07/844,905
Polarization independent optical coherence-domain reflectometry
Inventors:
Wayne V. Sorin, Brian L. Heffner
Patented Case
View Patent ↗
Granted: Apr 13, 1993
Filed: Mar 2, 1992
Inventors
Wayne V. Sorin
Brian L. Heffner
Assignee (at issue)
Hewlett-Packard Company, L.P.
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.