Joachim Kofahl

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Boksburg, ZA

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Patents Grantslast 30 patents

Information Patent Grant
Simplified apparatus for forming building blocks
- Patent number 6,387,308
- Issue date May 14, 2002
- Hydraforms Developments (Pty) Ltd.
- Joachim Kofahl
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Grant
Simplified apparatus for forming building blocks
- Patent number 5,919,497
- Issue date Jul 6, 1999
- Hydraform Developments (PTY) Ltd.
- Joachim Kofahl
- B28 - WORKING CEMENT, CLAY, OR STONE