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Robert J. Smith

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  • Newaygo, MI, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Mixing assembly for continuous mixer
    • Patent number 5,791,779
    • Issue date Aug 11, 1998
    • Sandmold Systems, Inc.
    • Robert J. Smith
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Particulate material conditioner
    • Patent number 4,973,166
    • Issue date Nov 27, 1990
    • Sandmold Systems, Inc.
    • Robert J. Smith
    • B28 - WORKING CEMENT, CLAY, OR STONE