TREA

Joseph F. Duffy

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  • Metamora, IL, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Soft seal poppet type check valve
    • Patent number 5,782,269
    • Issue date Jul 21, 1998
    • Caterpillar Inc.
    • Steven P. Seaney
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...