Granted Patent
Utility
US 4,237,430 · App. 06/015,844
Coaxial discharge sealed-off quartz laser tube
Inventors:
Chi-Sheng Liu, Roy K. Williams, Lelland A. C. Weaver
Patented Case
View Patent ↗
Granted: Dec 2, 1980
Filed: Feb 27, 1979
Inventors
Chi-Sheng Liu
Roy K. Williams
Lelland A. C. Weaver
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.