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Russell Winston Armstrong

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  • Derbyshire, GB
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Patents Grantslast 30 patents

  • Information Patent Grant

    Plumbing device
    • Patent number 10,364,559
    • Issue date Jul 30, 2019
    • Russell Winston Armstrong
    • E03 - WATER SUPPLY SEWERAGE

Patents Applicationslast 30 patents

  • Information Patent Application

    PLUMBING DEVICE
    • Publication number 20160333559
    • Publication date Nov 17, 2016
    • Russell Winston Armstrong
    • E03 - WATER SUPPLY SEWERAGE