Granted Patent
Utility
US 6,650,452 · App. 09/653,540
Optical communications
Inventors:
Nicholas John Doran, Nicholas J. G. Smith
Patented Case
View Patent ↗
Granted: Nov 18, 2003
Filed: Aug 31, 2000
Inventors
Nicholas John Doran
Nicholas J. G. Smith
Assignee (at issue)
BTG INTERNATIONAL 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.