Patents by Inventor David J. Trettin

David J. 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).

  • Lockset drilling guide
    Patent number: 6910837
    Abstract: A lockset drilling guide and a method of forming holes in a door are provided. The drilling guide includes a frame and at least a first opening and a second opening defined in the frame. The first opening is positioned at approximately 90 degrees to the second opening. The frame is configured for positioning on a door to facilitate the forming of openings in a door for the installation of a lockset. The method includes the steps of providing a frame having at least a first opening and a second opening defined in the frame; positioning the frame on an edge of the door; inserting a first holesaw at least partially into the first opening and drilling a first hole in the door; inserting a second holesaw at least partially into the second opening and drilling a second hole in the door; and removing the frame from the door.
    Type: Grant
    Filed: July 30, 2003
    Date of Patent: June 28, 2005
    Assignee: Irwin Industrial Tool Company
    Inventors: David J. Trettin, Richard M. Davidian, Laverne Durfee, Kristofor M. Hallee
  • Lockset drilling guide
    Publication number: 20040240950
    Abstract: A lockset drilling guide that comprises a frame is provided. The frame comprises a first flange and a second flange. The second flange is capable of flexing relative to the first flange. The lockset drilling guide further comprises at least a first opening and a second opening defined in the frame. The first opening is positioned at approximately 90 degrees relative to the second opening. A positioning member is mounted on the frame, wherein the positioning member is laterally movable to at least two positions relative to the frame. The frame is configured for mounting on a door to facilitate the forming of holes in the door for the installation of a lockset.
    Type: Application
    Filed: April 29, 2004
    Publication date: December 2, 2004
    Inventors: David J. Trettin, Richard M. Davidian, Laverne R. Durfee, Kristofor M. Hallee, Jonathan S. Holz, Robert McRorie, Jacob W. Connelly
  • LOCKSET DRILLING GUIDE
    Publication number: 20040131435
    Abstract: A lockset drilling guide and a method of forming holes in a door are provided. The drilling guide includes a frame and at least a first opening and a second opening defined in the frame. The first opening is positioned at approximately 90 degrees to the second opening. The frame is configured for positioning on a door to facilitate the forming of openings in a door for the installation of a lockset. The method includes the steps of providing a frame having at least a first opening and a second opening defined in the frame; positioning the frame on an edge of the door; inserting a first holesaw at least partially into the first opening and drilling a first hole in the door; inserting a second holesaw at least partially into the second opening and drilling a second hole in the door; and removing the frame from the door.
    Type: Application
    Filed: July 30, 2003
    Publication date: July 8, 2004
    Applicant: Irwin Industrial Tool Company
    Inventors: David J Trettin, Richard M Davidian, Laverne Durfee, Kristofor M Hallee
  • Lockset drilling guide
    Publication number: 20040062618
    Abstract: A lockset drilling guide and a method of forming holes in a door are provided. The drilling guide includes a frame and at least a first opening and a second opening defined in the frame. The first opening is positioned at approximately 90 degrees to the second opening. The frame is configured for positioning on a door to facilitate the forming of openings in a door for the installation of a lockset. The method includes the steps of providing a frame having at least a first opening and a second opening defined in the frame; positioning the frame on an edge of the door; inserting a first holesaw at least partially into the first opening and drilling a first hole in the door; inserting a second holesaw at least partially into the second opening and drilling a second hole in the door; and removing the frame from the door.
    Type: Application
    Filed: July 30, 2003
    Publication date: April 1, 2004
    Inventors: David J. Trettin, Richard M. Davidian, Laverne Durfee, Kristofor M. Hallee
  • Display package for a tool bit
    Patent number: D495596
    Type: Grant
    Filed: July 15, 2003
    Date of Patent: September 7, 2004
    Assignee: Irwin Industrial Tool Company
    Inventor: David J. Trettin
  • Display package for a tool bit
    Patent number: D497105
    Type: Grant
    Filed: July 15, 2003
    Date of Patent: October 12, 2004
    Assignee: Irwin Industrial Tool Company
    Inventor: David J. Trettin
  • Display package for a tool bit
    Patent number: D497800
    Type: Grant
    Filed: July 15, 2003
    Date of Patent: November 2, 2004
    Assignee: Irwin Industrial Tool Company
    Inventor: David J. Trettin