Granted Patent
Utility
US 6,691,684 · App. 10/216,642
Fuel fractionation device and method of making same
Inventors:
Ralf Bruenemann, Eberhard Holder, Roland Kemmler, Martin Matt
Patented Case
View Patent ↗
Granted: Feb 17, 2004
Filed: Aug 12, 2002
Inventors
Ralf Bruenemann
Eberhard Holder
Roland Kemmler
Martin Matt
Assignee (at issue)
Daimlerchrysler 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.