Patents Represented by Attorney Don Finklestein

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  • Rotary spade drill arrangement
    Patent number: 6044919
    Abstract: A rotary spade drill arrangement comprising a combination spade drill body having a rotational axis, a shank portion, and a generally planar spade cutter portion with a pair of oppositely directed cutting edges extending radially of the axis, and a rotatable frusto conical cutter mounted on the spade cutter portion adjacent the maximum radial extent of each cutting edge.
    Type: Grant
    Filed: July 31, 1997
    Date of Patent: April 4, 2000
    Assignee: Briese Industrial Technologies, Inc.
    Inventor: Leonard Arden Briese