Granted Patent
Utility
US 6,567,278 · App. 10/185,822
Electrical power supply suitable in particular for DC plasma processing
Inventors:
Alfred Rufer, Claudio Zimmermann, Frederic Muller, Albert Bulliard
Patented Case
View Patent ↗
Granted: May 20, 2003
Filed: Jun 27, 2002
Inventors
Alfred Rufer
Claudio Zimmermann
Frederic Muller
Albert Bulliard
Assignee (at issue)
CP Automation S.A.
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.