Granted Patent
Utility
US 6,731,381 · App. 09/794,837
Method and apparatus to measure gain spectra of erbium doped fiber amplifier
Inventors:
Chinlon Lin, Michael A. Mills, Morten Nissov
Patented Case
View Patent ↗
Granted: May 4, 2004
Filed: Feb 27, 2001
Inventors
Chinlon Lin
Michael A. Mills
Morten Nissov
Assignee (at issue)
Tyco Telecommunications (US) Inc.
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.