Patents by Inventor Joseph Brockhoff

Joseph Brockhoff 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: 5014984
    Abstract: A practice baseball bat having an elongated shaft of predetermined length. One end of the shaft has a handgrip portion having a plurality of spaced apart and aligned raised portions which extend between the fingers of a batter's hands so that when the bat is swung, the raised portions will be moved from a first up position to a position in the direction of which the bat is swung. The bat further has an elongated enlarged cylindrical ball contact portion which extends intermediate the ends of the shaft and adjacent the other end of the shaft, the ball contact portion being coaxial with the shaft. The other end of the shaft defining a nub extending from one end of the enlarged portion to the end of the bat.
    Type: Grant
    Filed: March 30, 1989
    Date of Patent: May 14, 1991
    Inventor: Joseph Brockhoff