Granted Patent
Utility
US 6,527,008 · App. 09/802,385
Ventilation device for a fuel tank
Inventors:
Knut Meyer, Stefan Fuhling, Thomas Zapp, Markus Distelhoff
Patented Case
View Patent ↗
Granted: Mar 4, 2003
Filed: Mar 9, 2001
Inventors
Knut Meyer
Stefan Fuhling
Thomas Zapp
Markus Distelhoff
Assignee (at issue)
Mannesmann VDO 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.