Granted Patent
Utility
US 6,409,247 · App. 09/745,164
Convertible vehicle with an at least partially flexible roof and at least one cross-connecting support
Inventor:
Joachim Maass
Patented Case
View Patent ↗
Granted: Jun 25, 2002
Filed: Dec 20, 2000
Inventor
Joachim Maass
Assignee (at issue)
Wilhelm Karmann 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.