Granted Patent
Utility
US 6,742,722 · App. 10/018,873
Cartridge type coating system
Inventors:
Toshio Hosoda, Hidetsugu Matsuda, Osamu Yoshida
Patented Case
View Patent ↗
Granted: Jun 1, 2004
Filed: Dec 26, 2001
Inventors
Toshio Hosoda
Hidetsugu Matsuda
Osamu Yoshida
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.