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William R. Lewis

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  • Riverside, CA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Continuous caster feed tip
    • Patent number 4,303,181
    • Issue date Dec 1, 1981
    • Hunter Engineering Company
    • William R. Lewis
    • B22 - CASTING POWDER METALLURGY
  • Information Patent Grant

    Molten metal feed tip
    • Patent number 4,232,804
    • Issue date Nov 11, 1980
    • Hunter Engineering Company
    • William R. Lewis
    • B22 - CASTING POWDER METALLURGY