TREA

Merrill Cohen

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  • Baltimore, MD, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Growing plants in an aquarium
    • Patent number 4,114,316
    • Issue date Sep 19, 1978
    • Merrill Cohen
    • A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
  • Information Patent Grant

    Plant plug
    • Patent number 4,074,997
    • Issue date Feb 21, 1978
    • Merrill Cohen
    • A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING