Granted Patent
Utility
US 5,799,621 · App. 08/757,021
Boiler assembly
Inventors:
Michael Gordon, Robert J. Young, Michael Zlatkin, Kurt D. Oswald
Patented Case
View Patent ↗
Granted: Sep 1, 1998
Filed: Nov 26, 1996
Inventors
Michael Gordon
Robert J. Young
Michael Zlatkin
Kurt D. Oswald
Assignee (at issue)
BURNHAM HOLDINGS, 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.