Granted Patent
Utility
US 5,331,653 · App. 07/975,947
Solid-state laser device
Inventors:
Minoru Kojima, Mitsugu Terada, Kazuyoshi Sutoh
Patented Case
View Patent ↗
Granted: Jul 19, 1994
Filed: Feb 25, 1993
Inventors
Minoru Kojima
Mitsugu Terada
Kazuyoshi Sutoh
Assignee (at issue)
Mitsui Petrochemical Industries, Ltd.
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.