TREA

John P. Ratzloff

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  • Clear Lake, MN, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Photograph album
    • Patent number 4,172,332
    • Issue date Oct 30, 1979
    • The Holes-Webway Co.
    • William W. Holes
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER