TREA

William A. Penny

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  • Brockenhurst, GB
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Patents Grantslast 30 patents

  • Information Patent Grant

    Rotary forging machine
    • Patent number 4,313,332
    • Issue date Feb 2, 1982
    • The City University
    • William A. Penny
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...