Granted Patent
Utility
US 5,884,471 · App. 08/845,390
Device for operating an annular combustion chamber equipped with combined burners for liquid and gaseous fuels
Inventors:
Gordon Anderson, Volkmar Galke, Roger Suter
Patented Case
View Patent ↗
Granted: Mar 23, 1999
Filed: Apr 25, 1997
Inventors
Gordon Anderson
Volkmar Galke
Roger Suter
Assignee (at issue)
Asea Brown Boveri, S.A.
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.