Granted Patent
Utility
US 4,498,542 · App. 06/489,829
Direct contact low emission steam generating system and method utilizing a compact, multi-fuel burner
Inventors:
Stephen W. Eisenhawer, Anthony J. Mulac, A. Burl Donaldson, Ronald L. Fox
Patented Case
View Patent ↗
Granted: Feb 12, 1985
Filed: Apr 29, 1983
Inventors
Stephen W. Eisenhawer
Anthony J. Mulac
A. Burl Donaldson
Ronald L. Fox
Assignee (at issue)
ENHANCED ENERGY SYSTEMS, INC.
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.