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Craig N. Hess

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  • Chestnuthill, MA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Spirometer
    • Patent number 4,462,410
    • Issue date Jul 31, 1984
    • LSE Corp.
    • Maurice R. Blais
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE