Tuomo Hjelt

Person

  • Lappeenranta, FI

Patents Grantslast 30 patents

  • Information Patent Grant

    Mineral wool pipe insulation

    • Patent number 9,482,381
    • Issue date Nov 1, 2016
    • PAROC GROUP OY
    • Tuomo Hjelt
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL