Granted Patent
Utility
US 6,507,596 · App. 09/657,666
Gas laser apparatus
Inventors:
Tsukasa HORI, Takanobu Ishihara, Hirotoshi Inoue, Takashi Matsunaga
Patented Case
View Patent ↗
Granted: Jan 14, 2003
Filed: Sep 8, 2000
Inventors
Tsukasa HORI
Takanobu Ishihara
Hirotoshi Inoue
Takashi Matsunaga
Assignee (at issue)
KOMATSU 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.