Heinz Zullig

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Niederweningen, CH

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Patents Grantslast 30 patents

Information Patent Grant
Method of and arrangement for manufacturing enclosed blocks
- Patent number 5,023,037
- Issue date Jun 11, 1991
- Bucher-Guyer AG Maschinenfabrik
- Heinz Zullig
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Grant
Method of and arrangement for manufacturing enclosed blocks
- Patent number 4,449,905
- Issue date May 22, 1984
- Bucher-Guyer AG
- Heinz Zullig
- B28 - WORKING CEMENT, CLAY, OR STONE