Granted Patent
Utility
US 5,954,496 · App. 08/919,476
Burner for operating a combustion chamber
Inventors:
Klaus Dobbeling, Hans Peter Knopfel, Donald Walker
Patented Case
View Patent ↗
Granted: Sep 21, 1999
Filed: Aug 28, 1997
Inventors
Klaus Dobbeling
Hans Peter Knopfel
Donald Walker
Assignee (at issue)
ABB RESEARCH LTD.
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.