Patents by Inventor David B. Andrews

David B. Andrews 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).

  • Arm pitching machine having a lead timing arm
    Patent number: 8381709
    Abstract: A pitching machine for pitching a ball to a batter positioned in a first batting location. The pitching machine including a frame, a drive assembly coupled to the frame, a pitching arm and a lead timing arm. The pitching arm is coupled to drive assembly and rotatable in a first direction about a first axis. The pitching arm includes a forward side configured to contact and project the ball during a portion of the rotation of the pitching arm about the first axis. The pitching arm is configured to project the ball at least a first ball release position with respect to the first axis. The lead timing arm includes a marker. The lead timing arm is coupled to the pitching arm such that the marker is visible to the batter positioned in the first batting location prior to the pitching arm reaching the first ball release position.
    Type: Grant
    Filed: March 1, 2011
    Date of Patent: February 26, 2013
    Assignee: Wilson Sporting Goods Co.
    Inventors: William R. Woessner, David B. Andrews, Timothy D. Greene, Jose L. Lopez