Granted Patent
Utility
US 4,375,689 · App. 06/195,906
Operation of a two-photon three level laser
Inventors:
Lyle H. Taylor, William H. Kasner
Patented Case
View Patent ↗
Granted: Mar 1, 1983
Filed: Oct 10, 1980
Inventors
Lyle H. Taylor
William H. Kasner
Assignee (at issue)
Westinghouse Electric Company LLC
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.