Granted Patent
Utility
US 6,234,405 · App. 09/464,000
Painting device
Inventors:
Osamu Yoshida, Hidetsugu Matsuda, Akihiko Arichi
Patented Case
View Patent ↗
Granted: May 22, 2001
Filed: Feb 22, 2000
Inventors
Osamu Yoshida
Hidetsugu Matsuda
Akihiko Arichi
Assignee (at issue)
ABB K.K.
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.