Granted Patent
Utility
US 6,636,667 · App. 10/006,789
Tunable optical fiber grating package with low temperature dependency
Inventors:
Qinglin Wang, Weiti Wu
Patented Case
View Patent ↗
Granted: Oct 21, 2003
Filed: Dec 6, 2001
Inventors
Qinglin Wang
Weiti Wu
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.