TREA

Roy D. Lewis

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  • Lachine, CA
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Patents Grantslast 30 patents

  • Information Patent Grant

    Method of aspiration casting
    • Patent number 4,458,741
    • Issue date Jul 10, 1984
    • Cabot Corporation
    • Sankar P. Iyer
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Apparatus for vacuum casting of rods
    • Patent number 4,417,617
    • Issue date Nov 29, 1983
    • Cabot Corporation
    • Sankar P. Iyer
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR