Patents by Inventor James D. Guinn

James D. Guinn 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 drying apparatus
    Patent number: 6399920
    Abstract: An apparatus for removing moisture from a hearing aid by positioning the hearing aid in a chamber of preselected volume and passing heated air over the hearing aid and maintaining the first chamber within a preselected temperature range.
    Type: Grant
    Filed: April 26, 2001
    Date of Patent: June 4, 2002
    Inventor: James D. Guinn