Granted Patent
Utility
US 6,272,264 · App. 09/348,728
Multiple-channel optical filter
Inventors:
Wei Li, Feng Liu, Wenhui Wang, Wei Luo
Patented Case
View Patent ↗
Granted: Aug 7, 2001
Filed: Jul 6, 1999
Inventors
Wei Li
Feng Liu
Wenhui Wang
Wei Luo
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.