Tomas Persson

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Munka Ljungby, SE

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Patents Grantslast 30 patents

Information Patent Grant
Sealing rings for ventilation ducts
- Patent number D447223
- Issue date Aug 28, 2001
- Lindab AB
- Lars-Ake Mattsson
- D23 - Environmental heating and cooling
Information Patent Grant
Tubular element with sealing means and a method for manufacturing t...
- Patent number 6,170,883
- Issue date Jan 9, 2001
- Lindab AB
- Lars-Åke Mattssön
- F24 - HEATING RANGES VENTILATING