David R. Hemenway

Person

  • Simsbury, CT, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Inhalation toxicology chamber

    • Patent number 4,305,347
    • Issue date Dec 15, 1981
    • The Baker Company, Inc.
    • David R. Hemenway
    • A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING