Patents by Inventor Howard E. Shoemaker

Howard E. Shoemaker 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 sound seal device
    Patent number: 6367578
    Abstract: A hearing aid sound seal device for preventing audio feedback. The hearing aid sound seal device includes a support assembly being adapted to be securely and removably disposed about a hearing aid and being adapted to be snugly and removably received in an ear canal of a user's ear to essentially prevent audio feedback.
    Type: Grant
    Filed: August 11, 2000
    Date of Patent: April 9, 2002
    Inventor: Howard E. Shoemaker