Patents by Inventor Mary D. Sohayda

Mary D. Sohayda 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).

  • Safety device for a hearing aid
    Patent number: 5327499
    Abstract: A device for preventing the loss of a hearing aid, which includes a chain, a device for attaching one end of the chain to the hearing aid, and a device for attaching the other end of the chain to an earring or other device worn by the wearer of the hearing aid.
    Type: Grant
    Filed: June 10, 1992
    Date of Patent: July 5, 1994
    Inventor: Mary D. Sohayda