Paul Hunkemoeller

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Coesfelg, DE

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Patents Grantslast 30 patents

Information Patent Grant
Hollow balls and a method for producing hollow balls and for produc...
- Patent number 6,828,026
- Issue date Dec 7, 2004
- Glatt Systemtechnik Dresden GmbH
- Frank Bretschneider
- B22 - CASTING POWDER METALLURGY

Patents Applicationslast 30 patents

Information Patent Application
Hollow balls and a method for producing hollow balls and for produc...
- Publication number 20030104147
- Publication date Jun 5, 2003
- Frank Bretschneider
- B22 - CASTING POWDER METALLURGY