Granted Patent
Utility
US 5,458,481 · App. 08/187,172
Burner for combusting gas with low NO.sub.x production
Inventors:
David J. Surbey, James L. Smith, Richard C. Allen, Alan D. Witwer
Patented Case
View Patent ↗
Granted: Oct 17, 1995
Filed: Jan 26, 1994
Inventors
David J. Surbey
James L. Smith
Richard C. Allen
Alan D. Witwer
Assignee (at issue)
ZEECO, 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.