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Harley D. Swanson

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  • Denver, CO, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Depilating composition and method
    • Patent number 4,581,148
    • Issue date Apr 8, 1986
    • Birko Corporation
    • Harley D. Swanson
    • C14 - SKINS HIDES PELTS LEATHER
  • Information Patent Grant

    Depilating composition and method
    • Patent number 4,548,608
    • Issue date Oct 22, 1985
    • Birko Corporation
    • Harley D. Swanson
    • C14 - SKINS HIDES PELTS LEATHER