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Johan A. Perslow

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  • Huntington Beach, CA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Water-level control device
    • Patent number 5,255,999
    • Issue date Oct 26, 1993
    • Space Biospheres Ventures
    • Johan A. Perslow
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Wave generator
    • Patent number 5,186,578
    • Issue date Feb 16, 1993
    • Space Biospheres Venture
    • Johan A. Perslow
    • E04 - BUILDING