Granted Patent
Utility
US 6,744,948 · App. 10/064,201
Fiber tap monitor based on evanescent coupling
Inventors:
Bo Pi, Shulai Zhao, Zheng Chen, Robert Morse, Jian-Jun Li
Patented Case
View Patent ↗
Granted: Jun 1, 2004
Filed: Jun 20, 2002
Inventors
Bo Pi
Shulai Zhao
Zheng Chen
Robert Morse
Jian-Jun Li
Assignee (at issue)
Oluma, 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.