Lennart E. O. Wallen

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Stockholm, SW

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Patents Grantslast 30 patents

Information Patent Grant
Dewatering and homogenizing apparatus
- Patent number 3,943,034
- Issue date Mar 9, 1976
- Lennart Wallen & Co AB
- Lennart E. O. Wallen
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Screw thickener
- Patent number 3,943,033
- Issue date Mar 9, 1976
- Lennart Wallen & Co AB
- Lennart E. O. Wallen
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE