Patents Assigned to Bat Weight, Inc.
  • Patent number: 3971559
    Abstract: This invention is a weighting device for attachment to baseball bats which is of generally doughnut shape, and comprising a hollow chamber adapted to be filled with liquid or granular weighting material, which device may be fitted over the handle of a baseball bat and frictionally engaged with the barrel thereof for the purpose of permitting the batter to take practice swings with a heavy bat prior to taking his turn at bat.
    Type: Grant
    Filed: August 23, 1974
    Date of Patent: July 27, 1976
    Assignee: Bat Weight, Inc.
    Inventor: Mariano P. Diforte, Jr.