Heinz Hofmann

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Dortmund, DE

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Patents Grantslast 30 patents

Information Patent Grant
Track spike with a single or double shaft
- Patent number 4,714,195
- Issue date Dec 22, 1987
- Hoesch Aktiengesellschaft
- Walter Creutz
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Grant
Profile element for mining applications
- Patent number 4,507,021
- Issue date Mar 26, 1985
- Estel Hoesch Werke Aktiengesellschaft
- Heinz Hofmann
- E21 - EARTH DRILLING MINING