Patents Assigned to Riff Rite, Inc.
  • Patent number: 4047460
    Abstract: Two parts or shells, each composed of randomly oriented carbon or graphite fibers contained in a nylon matrix, are configured so that when sonically welded together an integral drumstick results.
    Type: Grant
    Filed: June 21, 1976
    Date of Patent: September 13, 1977
    Assignee: Riff Rite, Inc.
    Inventors: Mark A. Fiedler, Darrell M. Hart