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Manfred W. A. Petzinger

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  • Elizabethtown, KY, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Waterless vacuum toilet
    • Patent number 4,346,002
    • Issue date Aug 24, 1982
    • Manfred W. A. Petzinger
    • C05 - FERTILISERS MANUFACTURE THEREOF
  • Information Patent Grant

    Evaporation septic tank sewage system
    • Patent number 4,333,831
    • Issue date Jun 8, 1982
    • Manfred W. A. Petzinger
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    Compost container
    • Patent number 4,108,609
    • Issue date Aug 22, 1978
    • Manfred Wilhelm August Petzinger
    • C05 - FERTILISERS MANUFACTURE THEREOF
  • Information Patent Grant

    Portable compost container
    • Patent number 4,105,412
    • Issue date Aug 8, 1978
    • Manfred W. A. Petzinger
    • C05 - FERTILISERS MANUFACTURE THEREOF