David Bintz, 68

    HANCOCK -- David Westly Bintz, 68, Hancock, died September 23 at Mercy Hospital.    Graveside services were held Wednesday, Sept. 29 at 3 p.m. at the Minden Cemetery in Minden.    Bintz is survived by brothers Jeffrey (Jody) Bintz of Council Bluffs and John (Susan) Bintz of Bloomfield, MN; and nephew Joshua (Christy) Bintz of Treynor.    Pauley Jones Funeral Home in Avoca was in charge of arrangements.