Granted Patent
Utility
US 6,501,900 · App. 09/502,247
Variable optical fiber attenuator device
Inventors:
Charles J. Aloisio, Jr., Robert W. Filas, Wilton Wayt King, William LAMBERT, Claire H. Plagianis, George J. Shevchuk
Patented Case
View Patent ↗
Granted: Dec 31, 2002
Filed: Feb 17, 2000
Inventors
Charles J. Aloisio, Jr.
Robert W. Filas
Wilton Wayt King
William LAMBERT
Claire H. Plagianis
George J. Shevchuk
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.