Granted Patent
Utility
US 6,782,902 · App. 10/049,303
Sootblower lance tube for dual cleaning media
Inventors:
Stephen L. Shover, David W. Okel
Patented Case
View Patent ↗
Granted: Aug 31, 2004
Filed: Feb 5, 2002
Inventors
Stephen L. Shover
David W. Okel
Assignee (at issue)
DIAMOND POWER INTERNATIONAL, LLC
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.