Granted Patent
Utility
US 6,732,721 · App. 10/405,469
Injection valve
Inventors:
Herbert Guettler, Eberhard Holder, Gerhard Kroetz, Martin Matt, Viktor Pfeffer
Patented Case
View Patent ↗
Granted: May 11, 2004
Filed: Apr 3, 2003
Inventors
Herbert Guettler
Eberhard Holder
Gerhard Kroetz
Martin Matt
Viktor Pfeffer
Assignee (at issue)
Daimlerchrysler AG
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.