Granted Patent
Utility
US 6,450,201 · App. 09/786,018
Multiway turning valve
Inventors:
Dieter Elser, Falk Hofmann
Patented Case
View Patent ↗
Granted: Sep 17, 2002
Filed: Mar 28, 2001
Inventors
Dieter Elser
Falk Hofmann
Assignee (at issue)
ZF Lenksysteme 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.