Granted Patent
Utility
US 4,239,995 · App. 06/015,845
Metal vapor Raman frequency shifter
Inventors:
Donald W. Feldman, Lelland A. C. Weaver, Chi-Sheng Liu
Patented Case
View Patent ↗
Granted: Dec 16, 1980
Filed: Feb 27, 1979
Inventors
Donald W. Feldman
Lelland A. C. Weaver
Chi-Sheng Liu
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.