Granted Patent
Utility
US 5,337,438 · App. 07/877,987
Method and apparatus for constant progression of a cleaning jet across heated surfaces
Inventors:
Clinton A. Brown, William E. Hellyer, John T. Huston, Anthony W. Dickman
Patented Case
View Patent ↗
Granted: Aug 16, 1994
Filed: May 2, 1992
Inventors
Clinton A. Brown
William E. Hellyer
John T. Huston
Anthony W. Dickman
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.