TREA

Leon Gainsboro

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  • Wayland, MA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Bird feeder
    • Patent number 5,682,835
    • Issue date Nov 4, 1997
    • Safety 1st, Inc.
    • Glen V. Walter
    • A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
  • Information Patent Grant

    Bird feeder
    • Patent number 4,498,423
    • Issue date Feb 12, 1985
    • Opus, Inc.
    • Leon Gainsboro
    • A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING