TREA

Timothy D. Modert

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  • Grand Rapids, MI, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Method of making a water filter
    • Patent number 5,017,318
    • Issue date May 21, 1991
    • Amway Corporation
    • Herbert J. VanderBilt
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    Method of making a water filter
    • Patent number 4,859,386
    • Issue date Aug 22, 1989
    • Amway Corporation
    • Herbert J. VanderBilt
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    Water filter
    • Patent number 4,753,728
    • Issue date Jun 28, 1988
    • Amway Corporation
    • Herbert J. VanderBilt
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE