Granted Patent
Utility
US 6,301,421 · App. 09/318,554
Photonic crystal fiber lasers and amplifiers for high power
Inventors:
Michael G. Wickham, Gerald W. Holleman, Stephen J. Brosnan
Patented Case
View Patent ↗
Granted: Oct 9, 2001
Filed: May 27, 1999
Inventors
Michael G. Wickham
Gerald W. Holleman
Stephen J. Brosnan
Assignee (at issue)
TRW Limited
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.