Granted Patent
Utility
US 6,615,507 · App. 09/884,682
Mixer for mixing gases and other newton liquids
Inventors:
Hans Ruscheweyh, Michael Kaatz
Patented Case
View Patent ↗
Granted: Sep 9, 2003
Filed: Jun 19, 2001
Inventors
Hans Ruscheweyh
Michael Kaatz
Assignee (at issue)
Balcke-Durr Energietechnik GmbH
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.