Dudley R. Lester

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Pineland, ZA

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Patents Grantslast 30 patents

Information Patent Grant
Manufacture of short pipes
- Patent number 4,151,246
- Issue date Apr 24, 1979
- Vianini Pipes (Proprietary) Limited
- Dudley R. Lester
- B28 - WORKING CEMENT, CLAY, OR STONE