Patents by Inventor Kenneth C. Dorr

Kenneth C. Dorr 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: 6155936
    Abstract: A portable baseball pitcher's practice target device having a target panel with sub-target areas representing the upper, lower, inside, outside and center of an imaginary strike zone of a baseball batter. The user of the target device practices pitching baseballs toward the target with the objective of concentrating on the sub-target areas to improve the user's pitching accuracy and skill. The target device has a frame that supports the target and a back panel for collecting pitched balls that enter through the sub-target areas. A powered apparatus is included for returning baseballs that have passed through the sub-target areas and resilient surfaces for returning balls that do not enter the sub-target areas.
    Type: Grant
    Filed: June 22, 1999
    Date of Patent: December 5, 2000
    Inventor: Kenneth C. Dorr