TREA

John S. Harrison

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  • Las Vegas, NV, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Toilet bowl refill device
    • Patent number 5,924,143
    • Issue date Jul 20, 1999
    • John Stanley Harrison
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    Two-level flush valve
    • Patent number 5,524,297
    • Issue date Jun 11, 1996
    • John S. Harrison
    • E03 - WATER SUPPLY SEWERAGE