Granted Patent
Utility
US 5,638,397 · App. 08/516,780
Confocal-to-concentric diode pumped laser
Inventors:
William L. Nighan, Jr., Mark S. Keirstead, David R. Dudley
Patented Case
View Patent ↗
Granted: Jun 10, 1997
Filed: Aug 18, 1995
Inventors
William L. Nighan, Jr.
Mark S. Keirstead
David R. Dudley
Assignee (at issue)
Spectra Physics Lasers, 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.