Granted Patent
Utility
US 5,235,607 · App. 07/810,299
Solid-state laser device and machining apparatus
Inventors:
Minoru Kojima, Mitsugu Terada, Kazuyoshi Sutoh, Takahiro Uchida
Patented Case
View Patent ↗
Granted: Aug 10, 1993
Filed: Dec 19, 1991
Inventors
Minoru Kojima
Mitsugu Terada
Kazuyoshi Sutoh
Takahiro Uchida
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.