Patents by Inventor Ralph C. Allen

Ralph C. Allen 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: 8167780
    Abstract: A physical training device includes two arm portions connected to each other and movable toward and away from each other. Two grip portions are provided at the respective arm portions. The grip portions together have the shape of a ball, such as a basketball or football. A resilient device urges the grip portions away from each other toward an extended position. The physical training device is particularly useful in training for basketball rebounding.
    Type: Grant
    Filed: March 10, 2010
    Date of Patent: May 1, 2012
    Inventor: Ralph C. Allen