Dieter S. Leidel

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Barrier, Ontario L4M 4S7, CA

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Patents Grantslast 30 patents

Information Patent Grant
Method of reclaiming green sand
- Patent number 4,709,862
- Issue date Dec 1, 1987
- Dieter S. Leidel
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Method of regenerating old casting sand
- Patent number 4,681,267
- Issue date Jul 21, 1987
- Dieter S. Leidel
- B22 - CASTING POWDER METALLURGY