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Stephen D. Royle

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  • Stoughton, WI, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Hydrant design
    • Patent number 6,178,988
    • Issue date Jan 30, 2001
    • Baker Manufacturing
    • Stephen D. Royle
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    Well cap snorkel vent
    • Patent number 5,823,259
    • Issue date Oct 20, 1998
    • Baker Manufacturing Company
    • Stephen D. Royle
    • E03 - WATER SUPPLY SEWERAGE