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Richard B. Ashbrook

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  • Yorba Linda, CA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Window shade leveling devices
    • Patent number 7,337,503
    • Issue date Mar 4, 2008
    • Richard B. Ashbrook
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...