Granted Patent
Utility
US 4,162,686 · App. 05/842,467
Industrial boiler utilizing multiple fuels and having reduced particulate emission and method of combustion
Inventors:
Harold B. Infield, Albert R. Morrison, William A. Tauskey, Sr.
Patented Case
View Patent ↗
Granted: Jul 31, 1979
Filed: Oct 17, 1977
Inventors
Harold B. Infield
Albert R. Morrison
William A. Tauskey, Sr.
Assignees (at issue)
North American Manufacturing Corporation
BURNHAM HOLDINGS, INC.
Combustion Service and Equipment Corporation
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.