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John B. Doyle

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  • Rotherham, GB
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Patents Grantslast 30 patents

  • Information Patent Grant

    Folding machine
    • Patent number 4,331,018
    • Issue date May 25, 1982
    • Keeton Sons & Co. Ltd.
    • John B. Doyle
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...