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C. R. Lewis Co., Inc.

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  • Anchorage, AK, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Oil slick skimmer
    • Patent number 5,215,654
    • Issue date Jun 1, 1993
    • C. R. Lewis Co., Inc.
    • Don S. Karterman
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING