TREA

Ralph G. Dovertie

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  • Goteborg, SE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Lifting body for diving
    • Patent number 4,498,408
    • Issue date Feb 12, 1985
    • Aquastat AB
    • Sven I. Otteblad
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
  • Information Patent Grant

    Combined automatic and manual guidance system
    • Patent number 4,176,728
    • Issue date Dec 4, 1979
    • AB Volvo
    • Sven I. A. Otteblad
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS