Granted Patent
Utility
US 6,009,844 · App. 09/133,428
Cast cylinder head and method for manufacturing same
Inventors:
Georg Stumpp, Arnold Kaden, Jochen Betsch
Patented Case
View Patent ↗
Granted: Jan 4, 2000
Filed: Aug 13, 1998
Inventors
Georg Stumpp
Arnold Kaden
Jochen Betsch
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.