Granted Patent
Utility
US 5,738,508 · App. 08/597,029
Burner
Inventors:
Klaus Dobbeling, Hans Peter Knopfel, Wolfgang Polifke, Peter Senior
Patented Case
View Patent ↗
Granted: Apr 14, 1998
Filed: Feb 5, 1996
Inventors
Klaus Dobbeling
Hans Peter Knopfel
Wolfgang Polifke
Peter Senior
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.