Granted Patent
Utility
US 6,459,533 · App. 09/603,080
Tuneable optical filters
Inventors:
Terry Clapp, Alan Robinson
Patented Case
View Patent ↗
Granted: Oct 1, 2002
Filed: Jun 26, 2000
Inventors
Terry Clapp
Alan Robinson
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.