Patents by Inventor Donald M. Kralik

Donald M. Kralik 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).

  • Conga rim
    Patent number: 5417136
    Abstract: A drum rim includes inner and outer rim portions. The outer rim portion is smoothly tapered to provide comfort to the hands of the player. An inner rim portion is arranged to engage the drum skin at a position that has a diameter which is less than the central diameter of the drum wire.
    Type: Grant
    Filed: January 21, 1994
    Date of Patent: May 23, 1995
    Assignee: Latin Percussion Inc.
    Inventors: Donald M. Kralik, Wayne E. Cohen
  • Block-type percussion instrument
    Patent number: 4898061
    Abstract: A percussion instrument comprises an oblong plastic block having a generally rectangular block portion with a front face and top and bottom surfaces, and a flange extending outwardly from the sides and rear. An elongated slot in the front face extends rearwardly to the rear flange, and laterally between the side flanges. The block has a raised ridge on the top face adjacent the front face for striking. In addition, landings are formed in the flanges which, together with a cooperating bracket assembly, act as a means for mounting the block.
    Type: Grant
    Filed: June 22, 1989
    Date of Patent: February 6, 1990
    Assignee: Latin Percussion, Inc.
    Inventors: Wayne E. Cohen, Donald M. Kralik
  • Percussion instrument
    Patent number: D318680
    Type: Grant
    Filed: November 14, 1988
    Date of Patent: July 30, 1991
    Assignee: Latin Percussion
    Inventors: Wayne E. Cohen, Donald M. Kralik
  • Percussion instrument
    Patent number: D321528
    Type: Grant
    Filed: July 26, 1989
    Date of Patent: November 12, 1991
    Assignee: Latin Percussion
    Inventors: Wayne E. Cohen, Donald M. Kralik