Patents Examined by Daniel C. Crans
  • Patent number: 5375449
    Abstract: A method of forming a number of sizes of hollow shaft nutdrivers from a common size metal tube workpiece. The method comprises three steps to form a hex drive socket on one end of a metal tube workpiece, and a fourth step to form a plurality of raised wings on the other end of the metal tube workpiece for retaining the other end of the then finished nutdriver in a handle.
    Type: Grant
    Filed: January 11, 1994
    Date of Patent: December 27, 1994
    Assignee: A.T. & G. Company, Inc.
    Inventor: Fred A. Bononi
  • Patent number: 4848126
    Abstract: The invention relates to a drywall corner bead spreader device. The device comprises a stationary support portion and a movable pressure applying portion. When a length of drywall corner bead is placed on the stationary support portion with its flanges facing upwardly adjustment of the movable pressure applying portion into contact with the flanges will force the flanges to assume an included angle greater than its normal ninety degree orientation. The movable pressure applying portion includes a freely rotating spreader ball which will rotate as the corner bead is pulled from beneath the spreader ball resulting in reduced friction and providing a uniform included angle to the flanges in excess of ninety degrees.
    Type: Grant
    Filed: August 30, 1988
    Date of Patent: July 18, 1989
    Inventor: David Fryfogle