Granted Patent
Utility
US 5,462,629 · App. 08/111,598
Surface processing apparatus using neutral beam
Inventors:
Naoki Kubota, Osamu Kinoshita, Yoshio Kaneko
Patented Case
View Patent ↗
Granted: Oct 31, 1995
Filed: Aug 25, 1993
Inventors
Naoki Kubota
Osamu Kinoshita
Yoshio Kaneko
Assignee (at issue)
Kawasaki Steel Corporation
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.