Barbara A. Leonhardt

Person

  • Potomac, MD, US

Patents Grantslast 30 patents

  • Information Patent Grant

    PVC/twine dispenser for pheromones

    • Patent number 6,372,241
    • Issue date Apr 16, 2002
    • The United States of America as represented by the Secretary of Agriculture
    • Barbara A. Leonhardt
    • A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
  • Information Patent Grant

    PVC/twine dispenser for (+)-disparlure

    • Patent number 5,342,618
    • Issue date Aug 30, 1994
    • The United States of America, as represented by the Secretary of Agriculture
    • Barbara A. Leonhardt
    • A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
  • Information Patent Grant

    Additives useful as crystallization inhibitors and activity extende...

    • Patent number 4,761,280
    • Issue date Aug 2, 1988
    • The United States of America as represented by the Secretary of Agriculture
    • Terrence P. McGovern
    • A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
  • Information Patent Grant

    Bagworm moth attractant and plant protectant

    • Patent number 4,474,755
    • Issue date Oct 2, 1984
    • The United States of America as represented by the Secretary of Agriculture
    • John W. Neal
    • A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING