Granted Patent
Utility
US 4,611,329 · App. 06/654,383
Gas laser
Inventors:
Volker Ernst, Hans Opower
Patented Case
View Patent ↗
Granted: Sep 9, 1986
Filed: Sep 25, 1984
Inventors
Volker Ernst
Hans Opower
Assignee (at issue)
W. C. Heraeus GmbH
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.