TREA

William V. West

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  • Greenville, IN, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Septic tank filtering system
    • Patent number 6,495,040
    • Issue date Dec 17, 2002
    • Zoeller Co.
    • Kenneth E. Zoeller
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Septic tank filtering system
    • Patent number 6,331,247
    • Issue date Dec 18, 2001
    • Zoeller Company
    • Kenneth E. Zoeller
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Septic tank filtering system
    • Patent number 6,136,190
    • Issue date Oct 24, 2000
    • Zoeller Co.
    • Kenneth E. Zoeller
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Low flow wastewater and effluent distribution system
    • Patent number 6,112,766
    • Issue date Sep 5, 2000
    • Zoeller Co.
    • Kenneth E. Zoeller
    • E03 - WATER SUPPLY SEWERAGE