Erkki Jaala

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Tampere, FI

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Patents Grantslast 30 patents

Information Patent Grant
Folded spiral seam including longitudinal bonding stitch
- Patent number 5,377,722
- Issue date Jan 3, 1995
- Tamfelt OY AB
- Erkki Jaala
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Dryer screen in a paper machine
- Patent number 5,346,590
- Issue date Sep 13, 1994
- Tamfelt OY AB
- Erkki Jaala
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE