Patents by Inventor Roger Haskell

Roger Haskell 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: 5769730
    Abstract: The present invention provides an improved bowling ball and an insert for a bowling ball for use in a finger hole of a bowling ball. According to the present invention, a fingertip positioner in a finger hole of a bowling ball positions the pad of the finger against the interior wall of the finger hole closest to the thumb hole in the bowling ball.
    Type: Grant
    Filed: December 9, 1994
    Date of Patent: June 23, 1998
    Inventor: Roger Haskell