Patents by Inventor David Jackson Trettin

David Jackson Trettin has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 7416371
    Abstract: A wood boring bit for boring holes in wood and other similar work surfaces having a central longitudinal axis, a main body, a pilot screw tip and a partial flute with a cutting edge and a cutting spur. The flute portion may be defined by a partial helical section having a distal end joined to the main body and a lead edge disposed toward said screw tip. The distal end and the lead edge preferably do not overlap along the central axis and are equal to or less than 360° from one another around the axis. The partial flute provides improved waste removal and allows the user to access the cutting edge of the flute for maintenance purposes.
    Type: Grant
    Filed: May 2, 2005
    Date of Patent: August 26, 2008
    Assignee: Irwin Industrial Tool Company
    Inventors: Gary F. Scott, David Jackson Trettin
  • Patent number: D658808
    Type: Grant
    Filed: December 1, 2011
    Date of Patent: May 1, 2012
    Assignee: Goody Products, Inc.
    Inventors: Jason Begin, Joseph Palermo, David Jackson Trettin
  • Patent number: D661929
    Type: Grant
    Filed: August 15, 2011
    Date of Patent: June 19, 2012
    Assignee: Kimberly-Clark Worldwide Inc.
    Inventors: Ricky Wayne Purcell, David Jackson Trettin, William Lytell Bridwell, III, Trent Kahute
  • Patent number: D663982
    Type: Grant
    Filed: August 15, 2011
    Date of Patent: July 24, 2012
    Assignee: Kimberly-Clark Worldwide, Inc.
    Inventors: Ricky Wayne Purcell, David Jackson Trettin, William Lytell Bridwell, III, Trent Kahute