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  1. #1
    Join Date
    Feb 2012
    Location
    UK
    Posts
    19
    Country: UK

    Default 1920 - 323580 Carl Kastener

    Carl Kestener's patent of July 1920, 3233580.
    Attached Files Attached Files

  2. #2
    Join Date
    Jun 2008
    Location
    Hartford CT
    Posts
    148
    Country: United States

    Default

    Interesting, although I can not interpret this patent the drawing looks very similar to the Lagard 2200 / 2270 key lock here in the states.

    DH

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