Granted Patent
Utility
US 4,493,087 · App. 06/382,529
RF Excited waveguide gas laser
Inventors:
Katherine D. Laakman, Peter Laakmann
Patented Case
View Patent ↗
Granted: Jan 8, 1985
Filed: May 27, 1982
Inventors
Katherine D. Laakman
Peter Laakmann
Assignee (at issue)
Walwel, 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.