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Willmar Window Industries Ltd.

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  • Winnipeg, CA
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  • Information Patent Grant

    Extruded window frame system
    • Patent number 5,090,168
    • Issue date Feb 25, 1992
    • Willmar Window Industries Ltd.
    • William A. Fast
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS

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