Granted Patent
Utility
US 6,557,781 · App. 10/168,541
Rotary atomizing head
Inventor:
Masatoshi Kon
Patented Case
View Patent ↗
Granted: May 6, 2003
Filed: Jul 2, 2002
Inventor
Masatoshi Kon
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.