Granted Patent
Utility
US 6,003,476 · App. 09/134,864
Boiler having an external dense fluidized bed
Inventors:
Jean-Claude Semedard, Pierre Gauville, Christian Enault
Patented Case
View Patent ↗
Granted: Dec 21, 1999
Filed: Aug 17, 1998
Inventors
Jean-Claude Semedard
Pierre Gauville
Christian Enault
Assignee (at issue)
GEC Alsthom Stein Industrie
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.