TREA

Philip Spangler

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  • Sidney, OH, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Pressure resistant sheet metal end closure
    • Patent number 5,149,238
    • Issue date Sep 22, 1992
    • The Stolle Corporation
    • Carl McEldowney
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...