TREA

Dan W. Freeman

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  • Livermore, CA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Eyeglass earstem
    • Patent number D438888
    • Issue date Mar 13, 2001
    • Protective Optics, Inc.
    • Dan W. Freeman
    • D16 - Photography and optical equipment
  • Information Patent Grant

    Eyeglass components
    • Patent number D438886
    • Issue date Mar 13, 2001
    • Protective Optics, Inc.
    • Dan W. Freeman
    • D16 - Photography and optical equipment