Patents by Inventor Richard Grapenthin

Richard Grapenthin 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).

  • Safety ball
    Patent number: 5951420
    Abstract: A durable, composite safety baseball or softball for practice or training purposes having a dual layer core comprised of an inner core of closed cell urethane and an outer core layer of relatively open cell urethane and covered with an outer cover of real or simulated leather which is softer than a conventional game ball and is thus less injurious to players and spectators. The ball is harder than prior practice balls and has payability characteristics substantially the same as conventional game balls when hit, thrown or caught.
    Type: Grant
    Filed: May 4, 1998
    Date of Patent: September 14, 1999
    Assignee: Jas. D. Easton, Inc.
    Inventors: Mark Talarico, Matthew Arndt, Richard Grapenthin
  • Adjustable ball backstop
    Patent number: 5807193
    Abstract: An adjustable ball backstop is disclosed comprising a frame and an elasticly stretched net having upper and lower generally rectangular sections, the lower section being disposed at a fixed angle relative to the vertical and the upper net section being easily adjustable such that the plane of the upper net section may be positioned at a selected angle so as to selectively direct a ball or other projectile back at a selected angle to facilitate practice of sports such as baseball, softball, tennis and the like.
    Type: Grant
    Filed: May 9, 1997
    Date of Patent: September 15, 1998
    Assignee: Jas D. Easton, Inc.
    Inventors: Mark Talarico, Matthew Arndt, Richard Grapenthin