Granted Patent
Utility
US 4,549,091 · App. 06/521,054
Electrical excitation circuit for gas lasers
Inventors:
Theodore S. Fahlen, Barton Mass
Patented Case
View Patent ↗
Granted: Oct 22, 1985
Filed: Aug 8, 1983
Inventors
Theodore S. Fahlen
Barton Mass
Assignee (at issue)
Standard Oil Company (Indiana)
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.