TREA

Ristomatti Ratia

Follow

Person

  • Tallinn, EE
People

Patents Grantslast 30 patents

  • Information Patent Grant

    Sauna stove
    • Patent number D460540
    • Issue date Jul 16, 2002
    • Saunatec Oyj
    • Ristomatti Ratia
    • D23 - Environmental heating and cooling
  • Information Patent Grant

    Sauna stove
    • Patent number D460541
    • Issue date Jul 16, 2002
    • Saunatec Oyj
    • Ristomatti Ratia
    • D23 - Environmental heating and cooling