Granted Patent
Utility
US 6,656,848 · App. 10/133,931
Plasma chamber conditioning
Inventors:
John Scanlan, Kevin J. O'Leary, Barry Coonan
Patented Case
View Patent ↗
Granted: Dec 2, 2003
Filed: Apr 26, 2002
Inventors
John Scanlan
Kevin J. O'Leary
Barry Coonan
Assignee (at issue)
Scientific Systems Research Limited
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.