TREA

Richard E. Veit

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  • Arcadia, CA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Backflow prevention apparatus
    • Patent number 4,364,408
    • Issue date Dec 21, 1982
    • Griswold Controls
    • David E. Griswold
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    Check valve assembly
    • Patent number 4,333,495
    • Issue date Jun 8, 1982
    • Griswold Controls
    • David E. Griswold
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    Check valve assembly
    • Patent number 4,244,395
    • Issue date Jan 13, 1981
    • Griswold Controls
    • David E. Griswold
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    Backflow prevention apparatus
    • Patent number 4,244,392
    • Issue date Jan 13, 1981
    • Griswold Controls
    • David E. Griswold
    • E03 - WATER SUPPLY SEWERAGE