Granted Patent
Utility
US 6,027,330 · App. 08/978,704
Low NO.sub.x fuel gas burner
Inventor:
Vladimir Lifshits
Patented Case
View Patent ↗
Granted: Feb 22, 2000
Filed: Nov 26, 1997
Inventor
Vladimir Lifshits
Assignee (at issue)
Coen Company, 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.