TREA

Lennart Widerby

Follow

Person

  • Jonkoping, SE
People

Patents Grantslast 30 patents

  • Information Patent Grant

    Fastener for exhaust air valves
    • Patent number D278595
    • Issue date Apr 30, 1985
    • Flakt Aktiebolag
    • Lennart Widerby
    • D08 - Tools and hardware
  • Information Patent Grant

    Exhaust air valve
    • Patent number D278079
    • Issue date Mar 19, 1985
    • Flakt Aktiebolag
    • Lennart Widerby
    • D23 - Environmental heating and cooling