Manfred Weisweiler

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Dreieichenhain, DE

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Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for the manufacture of roof covering plates ha...
- Patent number 5,080,840
- Issue date Jan 14, 1992
- Braas GmbH
- Gunter Jost
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Grant
Apparatus for manufacturing multi-layered concrete roof tiles
- Patent number 4,986,744
- Issue date Jan 22, 1991
- Braas GmbH
- Manfred Weisweiler
- B28 - WORKING CEMENT, CLAY, OR STONE