Granted Patent
Utility
US 4,837,772 · App. 07/085,889
Electrically self-oscillating, rf-excited gas laser
Inventor:
Peter Laakmann
Patented Case
View Patent ↗
Granted: Jun 6, 1989
Filed: Aug 14, 1987
Inventor
Peter Laakmann
Assignee (at issue)
Synrad, 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.