Granted Patent
Utility
US 6,241,826 · App. 09/187,014
Process for regenerating catalytic converters
Inventors:
Eckhard Dittmer, Alexander Schluttig
Patented Case
View Patent ↗
Granted: Jun 5, 2001
Filed: Nov 5, 1998
Inventors
Eckhard Dittmer
Alexander Schluttig
Assignees (at issue)
SAS Sonderabfallservice GmbH
HEW Hamburgische Electricitats-Werke AB
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.