Granted Patent
Utility
US 5,420,719 · App. 08/120,908
Laser beam frequency doubling system
Inventors:
John Montgomery, Pierre Langlois
Patented Case
View Patent ↗
Granted: May 30, 1995
Filed: Sep 15, 1993
Inventors
John Montgomery
Pierre Langlois
Assignee (at issue)
Lumonics Corporation
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.