Walter Ooster

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Bedburg-Hau, DE

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Patents Grantslast 30 patents

Information Patent Grant
Method and device for blacking components
- Patent number 7,160,576
- Issue date Jan 9, 2007
- Ipsen International GmbH
- Wolfgang Lerche
- C21 - METALLURGY OF IRON

Patents Applicationslast 30 patents

Information Patent Application
Method and device for blacking components
- Publication number 20060150907
- Publication date Jul 13, 2006
- Wolfgang Lerche
- C21 - METALLURGY OF IRON
Information Patent Application
Method and device for blacking components
- Publication number 20040022944
- Publication date Feb 5, 2004
- Wolfgang Lerche
- C21 - METALLURGY OF IRON