Gerard H. Koldyk

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North Vancouver, CA

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Patents Grantslast 30 patents

Information Patent Grant
Plasticised gypsum composition
- Patent number 5,344,490
- Issue date Sep 6, 1994
- Accuflex Products, Inc.
- Peter P. Roosen
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES