Patents by Inventor Sheldon C. Drake

Sheldon C. Drake 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).

  • Ball mark repair tool
    Patent number: 4984790
    Abstract: A ball mark repair includes a body having opposite sides and opposite ends, first and second spaced apart prongs extending outwardly from one end of the body substantially coplanar with one side of the body, and a third prong substantially centered between the first and second prongs and being substantially coplanar with the other side.
    Type: Grant
    Filed: March 22, 1990
    Date of Patent: January 15, 1991
    Inventors: John C. Dowdy, Sheldon C. Drake