TREA

Gerald R. Ritzow

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  • Franklin, WI, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Aquarium overflow filter system having a pre-overflow wall
    • Patent number 5,626,747
    • Issue date May 6, 1997
    • All-Glass Aquarium Co., Inc.
    • Gerald R. Ritzow
    • A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
  • Information Patent Grant

    Vivarium
    • Patent number 5,328,049
    • Issue date Jul 12, 1994
    • All-Glass Aquarium Co., Inc.
    • Gerald R. Ritzow
    • A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
  • Information Patent Grant

    Aquarium stand
    • Patent number 5,263,772
    • Issue date Nov 23, 1993
    • All-Glass Aquarium Co., Inc.
    • Gerald R. Ritzow
    • A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING