Granted Patent
Utility
US 5,931,390 · App. 09/007,562
Valve for the dosed discharge of fluids
Inventors:
Karl-Heinz Hoffmann, Gregor Renner, Friedrich Wirbeleit, Jens-Peter Wobbe
Patented Case
View Patent ↗
Granted: Aug 3, 1999
Filed: Jan 15, 1998
Inventors
Karl-Heinz Hoffmann
Gregor Renner
Friedrich Wirbeleit
Jens-Peter Wobbe
Assignees (at issue)
Daimler-Benz AG
P&S Prolotypen und Sondermaschinen 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.