Granted Patent
Utility
US 6,545,826 · App. 09/742,994
Thermally compensated wavelength division demultiplexer and multiplexer and method of fabrication thereof
Inventors:
James W. Horwitz, Jie Qiao, Feng Zhao, Kwei K. Chang
Patented Case
View Patent ↗
Granted: Apr 8, 2003
Filed: Dec 20, 2000
Inventors
James W. Horwitz
Jie Qiao
Feng Zhao
Kwei K. Chang
Assignee (at issue)
FINISAR CORPORATION
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.