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Frederick R. Schall

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  • Westmont, NJ, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Ribbed faceplate for swimming pool and spa skimmer apparatus
    • Patent number 4,735,714
    • Issue date Apr 5, 1988
    • Esther Williams Swimming Pools
    • Frederick R. Schall
    • E04 - BUILDING
  • Information Patent Grant

    Swimming pool
    • Patent number 4,182,087
    • Issue date Jan 8, 1980
    • Esther Williams Swimming Pools
    • Frederick R. Schall
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING