Granted Patent
Utility
US 5,673,344 · App. 08/667,164
Bi-directional light port for injecting light into and tapping light from a side of an optical fiber
Inventors:
Yao Li, Ting Wang
Patented Case
View Patent ↗
Granted: Sep 30, 1997
Filed: Jun 20, 1996
Inventors
Yao Li
Ting Wang
Assignee (at issue)
NEC Research Institute, Inc.
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.