Dyform Engineering Limited

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Vancouver, CA

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Patents Grantslast 30 patents

Information Patent Grant
Large-panel concrete wall bearing components
- Patent number 4,420,915
- Issue date Dec 20, 1983
- Dyform Engineering Ltd.
- Boris Netupsky
- E04 - BUILDING
Information Patent Grant
Concrete slab surface finishing apparatus
- Patent number 4,280,800
- Issue date Jul 28, 1981
- Dyform Engineering Limited
- Christopher B. Bunn
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Grant
Reinforcing member support in concrete extruders
- Patent number 4,273,522
- Issue date Jun 16, 1981
- Dyform Engineering Limited
- Norman W. Bunn
- B28 - WORKING CEMENT, CLAY, OR STONE

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