Patents Represented by Law Firm Tilton, Fallon
  • Patent number: 4253353
    Abstract: An impact wrench for hexagonal nuts including a unitary metal plate having a central hexagonally shaped aperture and six equally peripherally spaced notches, each having an impact surface coplanar with successive sides of the nut.
    Type: Grant
    Filed: August 31, 1979
    Date of Patent: March 3, 1981
    Inventor: Paul P. Symbol