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DAVID WALLE

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  • SAINT PETERS, MO, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Adjustable flange forming apparatus
    • Patent number 8,186,197
    • Issue date May 29, 2012
    • Mestek Machinery, Inc.
    • David Walle
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Patents Applicationslast 30 patents

  • Information Patent Application

    ADJUSTABLE FLANGE FORMING APPARATUS
    • Publication number 20080115550
    • Publication date May 22, 2008
    • FORMTEK, INC.
    • DAVID WALLE
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...