TREA

Paul H. Hookings

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  • Ridgeville, CA
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Patents Grantslast 30 patents

  • Information Patent Grant

    Method and apparatus for expanding spiralweld pipe
    • Patent number 4,047,419
    • Issue date Sep 13, 1977
    • The Steel Company of Canada, Limited
    • Paul H. Hookings
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...