Granted Patent
Utility
US 6,628,693 · App. 09/663,940
Discharge electrode for laser device
Inventors:
Takanobu Ishihara, Hirotoshi Inoue, Tsukasa HORI
Patented Case
View Patent ↗
Granted: Sep 30, 2003
Filed: Sep 18, 2000
Inventors
Takanobu Ishihara
Hirotoshi Inoue
Tsukasa HORI
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.