TREA

Jacob P. Den Hartog

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  • Concord, MA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Centrifuge with chatter suppression
    • Patent number 4,069,967
    • Issue date Jan 24, 1978
    • Bird Machine Company, Inc.
    • Herbert L. Crosby
    • B04 - CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL...
  • Information Patent Grant

    Centrifuge with chatter suppression
    • Patent number 4,069,966
    • Issue date Jan 24, 1978
    • Bird Machine Company, Inc.
    • Herbert L. Crosby
    • B04 - CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL...