TREA

John Hamilton Price

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  • La Jolla, CA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Breathing mask
    • Patent number D250131
    • Issue date Oct 31, 1978
    • Chemetron Corporation
    • George T. Lewis
    • D28 - Cosmetic products and toilet articles
  • Information Patent Grant

    Breathing mask
    • Patent number D250047
    • Issue date Oct 24, 1978
    • Chemetron Corporation
    • George Tom Lewis
    • D28 - Cosmetic products and toilet articles