Granted Patent
Utility
US 6,441,620 · App. 09/650,277
Method for fault identification in a plasma process
Inventors:
John Scanlan, Justin Lawler, Stephen Daniels
Patented Case
View Patent ↗
Granted: Aug 27, 2002
Filed: Aug 29, 2000
Inventors
John Scanlan
Justin Lawler
Stephen Daniels
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.