Patents by Inventor Harold C. Ulrich

Harold C. Ulrich 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: 4714069
    Abstract: A volleyball setting machine includes a leaf spring powered propulsion assembly mounted on a portable main frame. Several volleyballs are carried in a ball holding rack and are delivered one at a time to be positioned by a ball positioning track up against a discharge chute. The leaf spring is depressed vertically and released to impact on the ball in the chute, and the chute guides it into a desired trajectory.
    Type: Grant
    Filed: June 5, 1986
    Date of Patent: December 22, 1987
    Inventor: Harold C. Ulrich