Granted Patent
Utility
US 6,483,975 · App. 09/844,643
Positive dispersion optical fiber having large effective area
Inventors:
Lucas Hsu, David W. Peckham, William Alfred Reed, Man F. Yan
Patented Case
View Patent ↗
Granted: Nov 19, 2002
Filed: Apr 27, 2001
Inventors
Lucas Hsu
David W. Peckham
William Alfred Reed
Man F. Yan
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.