Hans Tolle

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Wuppertal, DE

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Patents Grantslast 30 patents

Information Patent Grant
Process of deburring moldings made from granular material
- Patent number 4,560,586
- Issue date Dec 24, 1985
- Carl Kurt Walther GmbH & Co. KG
- Hans Tolle
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Method of and apparatus for grinding workpieces by vibratory scouring
- Patent number 4,257,196
- Issue date Mar 24, 1981
- Carl Kurt Walther GmbH & Co.
- Carl K. Walther
- B24 - GRINDING POLISHING