Granted Patent
Utility
US 5,889,589 · App. 08/021,454
Intracavity particle detection using optically pumped laser media
Inventor:
Jon C. Sandberg
Patented Case
View Patent ↗
Granted: Mar 30, 1999
Filed: Feb 10, 1998
Inventor
Jon C. Sandberg
Assignee (at issue)
Research Electro-Optics, 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.