Patents Examined by Robert C. Riordon
  • Toggle wrench having pressure calculator means
    Patent number: 3958468
    Abstract: An improvement in the pressure selector of a toggle type wrench, provides a visual means of selecting and adjusting the amount or degree of pressure that will be applied to the workpiece during clamping, thus reducing the possibility of damaging the workpiece by applying to much pressure.
    Type: Grant
    Filed: June 13, 1969
    Date of Patent: May 25, 1976
    Inventor: Robert W. Weller