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Ralph G. Richardson

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  • Fairview, PA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Pillow block and apparatus for making same
    • Patent number 4,005,917
    • Issue date Feb 1, 1977
    • Hoover Ball and Bearing Company
    • Ralph G. Richardson
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...