TREA

David J. Demko

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  • Reading, PA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Pigeon cage assembly
    • Patent number 4,513,686
    • Issue date Apr 30, 1985
    • David J. Demko
    • A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
  • Information Patent Grant

    Racing pigeon cage
    • Patent number 4,300,479
    • Issue date Nov 17, 1981
    • David J. Demko
    • A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING