TREA

Edward J. Merwald

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  • Marshalltown, IA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Protected soft seat with secondary hard seat
    • Patent number 5,618,025
    • Issue date Apr 8, 1997
    • Fisher Controls International, Inc.
    • Kimball R. Barron
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents