Granted Patent
Utility
US 6,467,701 · App. 09/970,501
Shield cleaning system
Inventor:
Uwe Martin
Patented Case
View Patent ↗
Granted: Oct 22, 2002
Filed: Oct 3, 2001
Inventor
Uwe Martin
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.