Granted Patent
Utility
US 6,370,879 · App. 09/431,918
Damping device for reducing the vibration amplitude of acoustic waves for a burner
Inventors:
Marcel Stalder, Franz Joos
Patented Case
View Patent ↗
Granted: Apr 16, 2002
Filed: Nov 2, 1999
Inventors
Marcel Stalder
Franz Joos
Assignee (at issue)
ALSTOM Holdings
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.