Frede Hilmar Drostholm

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Vedbaek, DK

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Patents Grantslast 30 patents

Information Patent Grant
Structural building components and method for production on the bas...
- Patent number 4,048,276
- Issue date Sep 13, 1977
- Frede Hilmar Drostholm
- Torben Christen Hansen
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Brick press and associated equipment for making bricks
- Patent number 4,035,128
- Issue date Jul 12, 1977
- Frede Hilmar Drostholm
- Frede Hilmar Drostholm
- B28 - WORKING CEMENT, CLAY, OR STONE

Patents Applicationslast 30 patents

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