Patents Assigned to Larry K. Murphy
  • English/metric adjustable wrench with dial
    Patent number: 6125724
    Abstract: An adjustable wrench provides a fixed number of positions between fixed and movable torque applying jaws, the positions corresponding to nominal wrench sizes. One scale in English units provides means to position the jaws in a series of positions corresponding to English unit wrenches. A second scale in metric units provides means to position the jaws in a series of positions corresponding to metric wrenches. A pair of operators or discs have a pointer which is used to select the desired wrench size.
    Type: Grant
    Filed: April 2, 1999
    Date of Patent: October 3, 2000
    Assignee: Larry K. Murphy
    Inventors: Larry K. Murphy, Andrew P. Conkey