Granted Patent
Utility
US 6,301,409 · App. 09/471,443
Optical comb filter
Inventors:
James Whiteaway, George H. B. Thompson, Terry Bricheno
Patented Case
View Patent ↗
Granted: Oct 9, 2001
Filed: Dec 23, 1999
Inventors
James Whiteaway
George H. B. Thompson
Terry Bricheno
Assignee (at issue)
Nortel Networks Limited
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.