Granted Patent
Utility
US 6,608,847 · App. 09/967,885
Tunable laser with suppression of spontaneous emission
Inventors:
Guangzhi Z. Zhang, Andrew Davidson, David A. Robinson, Carter Hand, Mark Wippich, Murray Reed, Weizhi Wang
Patented Case
View Patent ↗
Granted: Aug 19, 2003
Filed: Sep 28, 2001
Inventors
Guangzhi Z. Zhang
Andrew Davidson
David A. Robinson
Carter Hand
Mark Wippich
Murray Reed
Weizhi Wang
Assignee (at issue)
New Focus, 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.