TREA

Giovanni Franchino

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  • Tavagnasco, IT
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Patents Grantslast 30 patents

  • Information Patent Grant

    Keyboard with removable modular keys
    • Patent number 4,602,138
    • Issue date Jul 22, 1986
    • Ing. C. Olivetti & C., S.p.A.
    • Eugenio Berutto
    • H03 - BASIC ELECTRONIC CIRCUITRY