Granted Patent
Utility
US 5,609,017 · App. 08/427,590
Method and apparatus for operating a combustion chamber for autoignition of a fuel
Inventor:
Rolf Althaus
Patented Case
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Granted: Mar 11, 1997
Filed: Apr 24, 1995
Inventor
Rolf Althaus
Assignee (at issue)
ABB Management AG
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.