TREA

Murray D. Etherington

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  • Aurora, CO, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Fluid operable hammer
    • Patent number 4,150,603
    • Issue date Apr 24, 1979
    • Joy Manufacturing Company
    • Murray D. Etherington
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...