Patents Represented by Attorney Timm J. Timmermann

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  • Adjustable extension stepladder
    Patent number: 5590739
    Abstract: A motorized utility extension ladder having a main and upper riser section extendable by a motor. The ladder further comprising a telescopic prop so that the ladder may be free standing, side wing legs for stabilizing the ladder, wheels for transporting the ladder, and a removable shelf.
    Type: Grant
    Filed: November 1, 1994
    Date of Patent: January 7, 1997
    Inventors: DeWayne A. High, Timm J. Timmermann