Willem J. Schreuders

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Staphorst, NL

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Patents Grantslast 30 patents

Information Patent Grant
Method and device for cutting gas concrete
- Patent number 5,092,209
- Issue date Mar 3, 1992
- Durox Gasbeton B.V.
- Willem J. Schreuders
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Grant
Device for cutting gas concrete
- Patent number 4,955,272
- Issue date Sep 11, 1990
- Durox Gasbeton B.V.
- Willem J. Schreuders
- B28 - WORKING CEMENT, CLAY, OR STONE