Granted Patent
Utility
US 5,014,281 · App. 07/452,756
Gas laser
Inventors:
Hartmuth Hecht, Wolfgang Paul, Anton Baumgartner
Patented Case
View Patent ↗
Granted: May 7, 1991
Filed: Dec 19, 1989
Inventors
Hartmuth Hecht
Wolfgang Paul
Anton Baumgartner
Assignee (at issue)
Coherent, Inc.
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.