Granted Patent
Utility
US 6,704,139 · App. 10/256,591
Optical systems and methods and optical amplifiers for use therein
Inventors:
Stephen G. Grubb, John J. Veselka, Jr., Donald M. Cornwell, Jr.
Patented Case
View Patent ↗
Granted: Mar 9, 2004
Filed: Sep 27, 2002
Inventors
Stephen G. Grubb
John J. Veselka, Jr.
Donald M. Cornwell, Jr.
Assignee (at issue)
Corvis Corporation
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.