Granted Patent
Utility
US 6,769,474 · App. 10/285,125
Casting die for the production of a cylinder block/crankcase
Inventors:
Hartmut Engels, Klaus Land, Peter Lingl, Franz Rueckert, Helmut Schaefer, Peter Stocker
Patented Case
View Patent ↗
Granted: Aug 3, 2004
Filed: Oct 31, 2002
Inventors
Hartmut Engels
Klaus Land
Peter Lingl
Franz Rueckert
Helmut Schaefer
Peter Stocker
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.