Granted Patent
Utility
US 6,444,330 · App. 09/700,105
Composite part containing metallic foam and method for producing said composite part
Inventor:
Olaf Abels
Patented Case
View Patent ↗
Granted: Sep 3, 2002
Filed: Dec 12, 2000
Inventor
Olaf Abels
Assignee (at issue)
ZF Lemförder Metallwaren 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.