Granted Patent
Utility
US 5,164,946 · App. 07/665,469
Birefringent filter for use in a tunable pulsed laser cavity
Inventors:
Daniel K. Negus, Bernard J. Couillaud
Patented Case
View Patent ↗
Granted: Nov 17, 1992
Filed: Mar 6, 1991
Inventors
Daniel K. Negus
Bernard J. Couillaud
Assignee (at issue)
Coherent, 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.