Granted Patent
Utility
US 4,422,882 · App. 06/335,351
Pulsed liquid jet-type cleaning of highly heated surfaces
Inventors:
John E. Nelson, Charles W. Hammond, Rolland E. Huston, Michael R. Helton
Patented Case
View Patent ↗
Granted: Dec 27, 1983
Filed: Dec 29, 1981
Inventors
John E. Nelson
Charles W. Hammond
Rolland E. Huston
Michael R. Helton
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.