TREA

Mark Ondrus

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  • Toledo, OH, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Dual trace valve system
    • Patent number 5,746,239
    • Issue date May 5, 1998
    • Hunt-Wesson, Inc.
    • Mark Ondrus
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...