Patents by Inventor Barbara E. Pratt

Barbara E. Pratt 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: 5721013
    Abstract: An apparatus and method for the safe and controlled production of glue chipped glass. This custom glue chipped glass processor and method facilitate the production of glue chipped glass for either artisans creating highly specialized works of art, or beginners in the field.
    Type: Grant
    Filed: June 26, 1995
    Date of Patent: February 24, 1998
    Inventor: Barbara E. Pratt