Granted Patent
Utility
US 6,606,182 · App. 09/991,266
Tuning and temperature compensation of the air-gap etalon for dense wavelength-division multiplexing application
Inventor:
Shijie Gu
Patented Case
View Patent ↗
Granted: Aug 12, 2003
Filed: Nov 16, 2001
Inventor
Shijie Gu
Assignee (at issue)
Oplink Communications, LLC
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.