Patents by Inventor David L. Ring

David L. Ring 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).

  • Portable ball batting practice apparatus
    Patent number: 5460364
    Abstract: A portable ball batting apparatus for attachment to a preexisting support comprises an elongated member having two ends. The elongated member is attached to one end of a resilient tether, while the other end of the resilient tether is secured to a ball. Incorporated into the elongated member is a releasable anchoring system for attaching the elongated member to the support.
    Type: Grant
    Filed: May 4, 1993
    Date of Patent: October 24, 1995
    Inventor: David L. Ring