Granted Patent
Utility
US 6,697,390 · App. 10/061,946
Extended lifetime harmonic generator
Inventors:
James D. Kafka, Alan Petersen, Karl Markert
Patented Case
View Patent ↗
Granted: Feb 24, 2004
Filed: Feb 1, 2002
Inventors
James D. Kafka
Alan Petersen
Karl Markert
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.