Patents by Inventor Larry K. Murphy

Larry K. Murphy 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).

  • 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