Patents Assigned to Cooperman Fife & Drum Co., Inc.
  • Tunable drum
    Patent number: 5517890
    Abstract: The invention is a tunable drum including a moveable bearing member positioned under the drum head and above the drum body, at least one alignment peg located between the bearing member and the drum body, and a mechanism engaging the moveable bearing member for moving the bearing member relative to the drum body so as to adjust the tension in the head.
    Type: Grant
    Filed: April 14, 1994
    Date of Patent: May 21, 1996
    Assignee: Cooperman Fife & Drum Co., Inc.
    Inventor: Patrick H. Cooperman