Kristian Berggren

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Vasteras, DE

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Patents Grantslast 30 patents

Information Patent Grant
Method for the production of a bearing ring for large-size rolling...
- Patent number 8,091,239
- Issue date Jan 10, 2012
- Rothe Erde GmbH
- Joerg Rollmann
- C21 - METALLURGY OF IRON

Patents Applicationslast 30 patents

Information Patent Application
Method For The Production Of A Bearing Ring For Large-Size Rolling...
- Publication number 20080141535
- Publication date Jun 19, 2008
- Joerg Rollmann
- C21 - METALLURGY OF IRON