Patents Assigned to Greenspike, Inc.
  • Stud for sport shoes
    Patent number: 5937547
    Abstract: A stud for sport shoes wherein the shoes are provided with internally threaded sockets for receiving the stud, the stud comprises: a main body portion having an upper and a lower surface; a shank extending outwardly from the upper surface of the body portion and having an outer dimension enabling the same to be threadably received within the threaded sockets of the sport shoe; and a plurality of concentric spaced apart ridges extending outwardly from the lower surface of the body portion to provide traction between the shoe and a supporting surface.
    Type: Grant
    Filed: December 10, 1996
    Date of Patent: August 17, 1999
    Assignee: Greenspike, Inc.
    Inventor: Edward F. Abbey
  • Stud for sport shoes
    Patent number: 5623774
    Abstract: A stud for sport shoes wherein the shoes are provided with internally threaded sockets for receiving the stud, the stud comprises: a main body portion having an upper and a lower surface; a shank extending outwardly from the upper surface of the body portion and having an outer dimension enabling the same to be threadably received within the threaded sockets of the sport shoe; and a plurality of concentric spaced apart ridges extending outwardly from the lower surface of the body portion to provide traction between the shoe and a supporting surface.
    Type: Grant
    Filed: May 3, 1996
    Date of Patent: April 29, 1997
    Assignee: Greenspike, Inc.
    Inventor: Edward F. Abbey