Granted Patent
Utility
US 6,770,150 · App. 09/522,266
Process for removing deposits from enclosed chambers
Inventors:
Michael A. Duckett, John C. Bliley, Gerald J. Kielar, Sayed Sadiq Shah, Anthony W. Raymond
Patented Case
View Patent ↗
Granted: Aug 3, 2004
Filed: Mar 9, 2000
Inventors
Michael A. Duckett
John C. Bliley
Gerald J. Kielar
Sayed Sadiq Shah
Anthony W. Raymond
Assignee (at issue)
STERIS 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.