Patents Assigned to Phonic Ear, Inc.
  • Patent number: D280022
    Type: Grant
    Filed: March 10, 1983
    Date of Patent: August 6, 1985
    Assignee: Phonic Ear, Inc.
    Inventors: Philip S. Egan, Keld T. Helmuth, Richard G. Pimentel, Tom B. Soerensen