Patents by Inventor John P. Shaw

John P. Shaw 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: 4993286
    Abstract: A hand tool for use with spring-hinge type spectacles to facilitate removal and replacement of temple screws pivotally connecting apertured hinge ear portions of companion hinge parts mounted on the lens frame and the forwardmost ends of the temple members, including a pistol shaped tool body member having a slide channel portion and a forwardly extending rigid support arm, an elongated post pivotally mounted on the support arm, a lens frame holding subassembly adjustably supported on the post including a lens-engaging pad and a lens restraining arm in spaced overlying relation to lens-engaging surface portions of the pad, and a temple holding subassembly comprising a pair of confronting temple gripper pads spaced to define an upwardly opening temple-receiving recess therebetween. A pad adjusting mechanism is provided for moving the gripper pads toward and away from each other to grip and release a temple member located therebetween.
    Type: Grant
    Filed: May 29, 1990
    Date of Patent: February 19, 1991
    Inventor: John P. Shaw