Bertil Sandell

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Hovas, SE

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Patents Grantslast 30 patents

Information Patent Grant
Method for the manufacturing of fibre reinforced building structure...
- Patent number 4,263,346
- Issue date Apr 21, 1981
- Bertil Sandell
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Grant
Method for manufacturing shotcrete structures using a material havi...
- Patent number 4,239,397
- Issue date Dec 16, 1980
- Bertil Sandell
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Grant
Method and a device for adding material in an air stream to a nozzle
- Patent number 4,225,086
- Issue date Sep 30, 1980
- Bertil Sandell
- E04 - BUILDING