Granted Patent
Utility
US 5,667,376 · App. 08/309,198
Ultra low NOX burner
Inventors:
Thomas F. Robertson, Todd A. Miller, Dennis E. Quinn
Patented Case
View Patent ↗
Granted: Sep 16, 1997
Filed: Sep 20, 1994
Inventors
Thomas F. Robertson
Todd A. Miller
Dennis E. Quinn
Assignee (at issue)
North American Manufacturing 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.