Granted Patent
Utility
US 6,206,686 · App. 09/071,270
Integral low NOx injection burner
Inventors:
Keith J. Nieszczur, Bruce E. Cain, John N. Newby, Thomas F. Robertson, Richard D. Sutton
Patented Case
View Patent ↗
Granted: Mar 27, 2001
Filed: May 1, 1998
Inventors
Keith J. Nieszczur
Bruce E. Cain
John N. Newby
Thomas F. Robertson
Richard D. Sutton
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.