TREA

Douglas A. Holmberg

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  • Valrico, FL, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Method and system for storing and dispensing regime of therapeutic...
    • Patent number 7,228,970
    • Issue date Jun 12, 2007
    • Douglas A. Holmberg
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Propagation tray
    • Patent number 6,339,902
    • Issue date Jan 22, 2002
    • Douglas A. Holmberg
    • A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
  • Information Patent Grant

    Tree line fencing system
    • Patent number 6,241,216
    • Issue date Jun 5, 2001
    • Douglas A. Holmberg
    • A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
  • Information Patent Grant

    Ventilated enclosure
    • Patent number 5,484,335
    • Issue date Jan 16, 1996
    • Douglas A. Holmberg
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Propagation tray
    • Patent number 5,127,189
    • Issue date Jul 7, 1992
    • Douglas A. Holmberg
    • A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
  • Information Patent Grant

    Ventilated greenhouse
    • Patent number 5,000,080
    • Issue date Mar 19, 1991
    • Douglas A. Holmberg
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Ventilated greenhouse
    • Patent number 4,945,821
    • Issue date Aug 7, 1990
    • Douglas A. Holmberg
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Portable growing system
    • Patent number 4,658,542
    • Issue date Apr 21, 1987
    • Douglas A. Holmberg
    • A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING

Patents Applicationslast 30 patents