Granted Patent
Utility
US 6,327,280 · App. 09/305,673
Custom optical filters
Inventors:
Thomas Ducellier, Vincent Delisle
Patented Case
View Patent ↗
Granted: Dec 4, 2001
Filed: May 5, 1999
Inventors
Thomas Ducellier
Vincent Delisle
Assignee (at issue)
JDS Fitel Inc.
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.