TREA

John Arthur Johnsen

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  • Copley, OH, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Work station
    • Patent number 4,443,290
    • Issue date Apr 17, 1984
    • The Firestone Tire & Rubber Company
    • Earl F. Loeffler
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Tread ring disassembly and reassembly apparatus
    • Patent number 4,086,047
    • Issue date Apr 25, 1978
    • The Firestone Tire & Rubber Company
    • John Arthur Johnsen
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL