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Ragnar Bernstein

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  • Fagersta, SE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Method of preventing corrosion in boiler-plant equipment
    • Patent number 4,611,652
    • Issue date Sep 16, 1986
    • Ragnar L. H. Bernstein
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Boiler
    • Patent number 4,415,119
    • Issue date Nov 15, 1983
    • Fagersta AB
    • Lars-Olof Borking
    • F24 - HEATING RANGES VENTILATING