TREA

Kjell I. Wellenstam

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  • Goteborg, SE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Automatic two-chamber injector
    • Patent number 4,983,164
    • Issue date Jan 8, 1991
    • Astra Meditec AB
    • Karl-Axel Hook
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Valve-provided connecting device
    • Patent number 4,629,159
    • Issue date Dec 16, 1986
    • Astra Meditec AB
    • Kjell I. Wellenstam
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Head assembly for a vein stripper
    • Patent number 4,528,982
    • Issue date Jul 16, 1985
    • Astra Meditec Aktiebolag
    • Kjell I. Wellenstam
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE