Granted Patent
Utility
US 5,320,073 · App. 08/013,770
Method and apparatus of preheating a sootblower lance
Inventors:
Edward O. Silcott, Robin R. Dunnette, Robert L. Irelan
Patented Case
View Patent ↗
Granted: Jun 14, 1994
Filed: Feb 3, 1993
Inventors
Edward O. Silcott
Robin R. Dunnette
Robert L. Irelan
Assignee (at issue)
The Babcock & Wilcox Company
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.