Granted Patent
Utility
US 6,785,319 · App. 09/926,662
Ultraviolet laser device
Inventors:
Tatsuya Ariga, Takahito Kumazaki, Jun Akita, Noritoshi Itoh
Patented Case
View Patent ↗
Granted: Aug 31, 2004
Filed: Feb 7, 2002
Inventors
Tatsuya Ariga
Takahito Kumazaki
Jun Akita
Noritoshi Itoh
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.