Granted Patent
Utility
US 6,425,352 · App. 09/920,697
Sootblowing optimization system
Inventor:
Paul E. Perrone
Patented Case
View Patent ↗
Granted: Jul 30, 2002
Filed: Aug 1, 2001
Inventor
Paul E. Perrone
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.