Patents by Inventor Thomas E. Shappell

Thomas E. Shappell 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).

  • Patent number: 4989124
    Abstract: The present invention relates to an improved solar powered sign including one or more solar panels used to charge batteries which power various components of the sign. The sign may include a rotary display which is electrically powered and may also include a lamp. The sign may be mounted on a base facilitating easy transport.
    Type: Grant
    Filed: August 21, 1989
    Date of Patent: January 29, 1991
    Inventor: Thomas E. Shappell