Granted Patent
Utility
US 6,763,852 · App. 10/018,833
Alternating distributor for high-viscosity liquids
Inventors:
Ferdinand Finkeldei, Walter Schnaus
Patented Case
View Patent ↗
Granted: Jul 20, 2004
Filed: Apr 24, 2002
Inventors
Ferdinand Finkeldei
Walter Schnaus
Assignee (at issue)
Lurgi Zimmer 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.