Granted Patent
Utility
US 6,626,647 · App. 10/052,023
Radial piston pump
Inventor:
Michael Herrmann
Patented Case
View Patent ↗
Granted: Sep 30, 2003
Filed: Jan 18, 2002
Inventor
Michael Herrmann
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.