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John D. Walker

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  • Dearborn Heights, MI, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Paint color change system
    • Patent number 5,029,755
    • Issue date Jul 9, 1991
    • Motoman, Inc.
    • Thomas D. Schmidt
    • B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...