Patents Assigned to Durston Mfg. Co.
  • Magnetic plug weld tool
    Patent number: 8191754
    Abstract: A magnetic plug weld tool includes an arm, a copper alloy plate that is rotatably connected to one end of the arm, and a magnetic base that is connected to the arm. The arm is configured to apply a force to the copper alloy plate using the magnetic base.
    Type: Grant
    Filed: September 17, 2009
    Date of Patent: June 5, 2012
    Assignee: Durston Mfg. Co.
    Inventor: Donovan K. Norton
  • Dual drive socket bit
    Patent number: D671811
    Type: Grant
    Filed: June 20, 2011
    Date of Patent: December 4, 2012
    Assignee: Durston Mfg. Co.
    Inventor: Donovan K. Norton