Patents Assigned to Chris Development Corporation
  • Tennis racket with convex throat
    Patent number: 4662634
    Abstract: A tennis racket (2) is disclosed having a throat (6) with a pair of outer convex curved sides (8, 10) bowed away from each other and extending between a handle (4) and a head (12). A widened and lengthened sweet spot area (34) is provided on the face (14) of the racket by the widened bridge (20) at the base of the head and a flat inner periphery surface (24) opposite thereto at the head tip (22) together with opposing inner flat surfaces (30, 32) along the sides (26, 28) of the head.
    Type: Grant
    Filed: May 31, 1984
    Date of Patent: May 5, 1987
    Assignee: Chris Development Corporation
    Inventor: George C. Winkler