Granted Patent
Utility
US 6,798,803 · App. 10/300,904
Gas laser device
Inventor:
Kiyoharu Nakao
Patented Case
View Patent ↗
Granted: Sep 28, 2004
Filed: Nov 21, 2002
Inventor
Kiyoharu Nakao
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.