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Richard S. Ordway

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  • Haverhill, MA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Pressure regulator for spray systems
    • Patent number 3,958,724
    • Issue date May 25, 1976
    • Circle Machine Co., Inc.
    • Richard S. Ordway
    • B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...