Granted Patent
Utility
US 6,768,849 · App. 10/190,134
Systems and methods for fabricating varying waveguide optical fiber device
Inventors:
David J. DiGiovanni, Andrew D. Yablon, Man F. Yan
Patented Case
View Patent ↗
Granted: Jul 27, 2004
Filed: Jul 3, 2002
Inventors
David J. DiGiovanni
Andrew D. Yablon
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.