Olga Kossmann

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Weissenthurm, DE

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Patents Grantslast 30 patents

Information Patent Grant
Unbalanced vibrator for stone forming machines
- Patent number 6,213,630
- Issue date Apr 10, 2001
- Masa AG
- Olga Kossmann
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Grant
Method of quality control during production of concrete blocks
- Patent number 5,766,538
- Issue date Jun 16, 1998
- Masa Aktiengesellschaft
- Olga Kossmann
- B28 - WORKING CEMENT, CLAY, OR STONE