Patents by Inventor Peter DeStefano, Jr.

Peter DeStefano, Jr. 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: 4858925
    Abstract: A golf ball position marker (10) is detachably connected to a golf club including a resilient hand grip (20) containing an opening (25) located in a convex end surface (23) thereof. The opening (25) is adapted to stretch when an enlarged protruberance (19) at the end of the stem (17) passes therethrough. The marker (10) includes a head (11) having a convex upper surface and a concave undersurface. The convex end surface (23) of the grip (20) is complementary to the marker's concave undersurface.
    Type: Grant
    Filed: January 29, 1987
    Date of Patent: August 22, 1989
    Inventor: Peter DeStefano, Jr.