Granted Patent
Utility
US 6,729,346 · App. 09/918,192
Pneumatic valve
Inventor:
Jorg Fuhrmann
Patented Case
View Patent ↗
Granted: May 4, 2004
Filed: Jul 30, 2001
Inventor
Jorg Fuhrmann
Assignee (at issue)
Demag Cranes & Components 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.