Granted Patent
Utility
US 4,574,995 · App. 06/492,676
Method for protecting the walls of a furnace at high temperature
Inventors:
Robert A. Sauder, Gary R. Kendrick, John R. Mase
Patented Case
View Patent ↗
Granted: Mar 11, 1986
Filed: May 9, 1983
Inventors
Robert A. Sauder
Gary R. Kendrick
John R. Mase
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.