Wisaforest Oy Ab

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68601 Pietarsaari, FI

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Patents Grantslast 30 patents

Information Patent Grant
Method for producing pulp using medium consistency mixer for defibe...
- Patent number 5,227,021
- Issue date Jul 13, 1993
- A. Ahlstrom Corporation
- Lasse Hernesniemi
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE

Patents Applicationslast 30 patents

Trademarklast 30 trademarks

Information Trademark
74053921
- Serial number 74053921
- Registration number 1697560
- Filing date Apr 30, 1990
- Wisaforest Oy Ab
- 16 - Paper, cardboard and goods made from these materials, not included in other classes
Information Trademark
74053922 - SWAN WHITE
- Serial number 74053922
- Registration number 1748395
- Filing date Apr 30, 1990
- Wisaforest Oy Ab
- 16 - Paper, cardboard and goods made from these materials, not included in other classes