TREA

Joseph Roark

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  • Blacksburg, VA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Filter cartridge assembly with water collection
    • Patent number 7,658,842
    • Issue date Feb 9, 2010
    • Tetra Holding (US), Inc.
    • Donald Barry Huehn
    • A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
  • Information Patent Grant

    Aquarium filter housing with rounded bottom
    • Patent number 7,638,044
    • Issue date Dec 29, 2009
    • Tetra Holding (US), Inc.
    • Donald Barry Huehn
    • A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
  • Information Patent Grant

    Filter cartridge
    • Patent number 7,553,411
    • Issue date Jun 30, 2009
    • Tetra Holding (US), Inc.
    • Barry Huehn
    • A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING

Patents Applicationslast 30 patents

  • Information Patent Application

    Filter cartridge assembly with water collection
    • Publication number 20090045114
    • Publication date Feb 19, 2009
    • Donald Barry Huehn
    • A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
  • Information Patent Application

    Aquarium filter housing with rounded bottom
    • Publication number 20090045112
    • Publication date Feb 19, 2009
    • Donald Barry Huehn
    • A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
  • Information Patent Application

    Filter cartridge
    • Publication number 20080149545
    • Publication date Jun 26, 2008
    • Barry Huehn
    • A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING