Granted Patent
Utility
US 5,944,503 · App. 09/081,990
Low NOx floor burner, and heating method
Inventors:
John J. Van Eerden, John J. Bloomer, Michael W. Peacock, Jr., Harley A. Purvin, A. John Grever, John J. Barba
Patented Case
View Patent ↗
Granted: Aug 31, 1999
Filed: May 20, 1998
Inventors
John J. Van Eerden
John J. Bloomer
Michael W. Peacock, Jr.
Harley A. Purvin
A. John Grever
John J. Barba
Assignee (at issue)
Selas Corporation of America
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.