Granted Patent
Utility
US 6,810,196 · App. 10/703,785
Variable attenuator for optical fiber applications
Inventors:
Sean Jones, Francis G. McCormack, David N. Ridgeway, Ian A. White
Patented Case
View Patent ↗
Granted: Oct 26, 2004
Filed: Nov 6, 2003
Inventors
Sean Jones
Francis G. McCormack
David N. Ridgeway
Ian A. White
Assignee (at issue)
Fitel USA Corp.
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.