Granted Patent
Utility
US 6,655,927 · App. 10/052,026
Radial piston pump with piston arrangement for controlling inlet/exit flow
Inventors:
Michael Herrmann, Wolfgang Rapp
Patented Case
View Patent ↗
Granted: Dec 2, 2003
Filed: Jan 18, 2002
Inventors
Michael Herrmann
Wolfgang Rapp
Assignee (at issue)
ZF Batavia L.L.C.
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.