Patents by Inventor Tom B. Soerensen

Tom B. Soerensen 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).

  • Hearing aid transducer or the like
    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