Patents by Inventor Valerie J. Duffin

Valerie J. Duffin 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: 4721622
    Abstract: A snack food product comprises a filling (107) wholly enclosed in a bread-like casing (100), optionally with a barrier layer (106) disposed between the casing (100) and the filling (107). A sterile moisture-proof wrapping (108) wholly encloses the edible part (100, 106, 107) of the product. The snack food product (100, 106, 107, 108) is storable at normal temperature for long periods, e.g. several months. The product can be made by assembling the components before or after a shaped dough component is baked to form the bread-like casing (100) and can be prepared for consumption by a heating step carried out before or after the edible part (100, 106, 107) is removed from the wrapping (108).
    Type: Grant
    Filed: May 21, 1985
    Date of Patent: January 26, 1988
    Assignee: United Biscuits (UK) Limited
    Inventors: Clive G. Kingham, Malcolm Caine, Valerie J. Duffin