Patents by Inventor Brian F. Duffy

Brian F. Duffy 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).

  • Method of inhibiting fat and oil migration from an oily substrate of a food product into a coating layer of a food product
    Patent number: 5202137
    Abstract: A method of inhibiting fat and oil migration from an oily substrate of a food product into a coating layer of a food product, comprises the steps of mixing a shellac solution and an alcohol together to form a barrier coating solution, coating the oily substrate of the food product with an effective amount of the barrier coating solution to form a barrier coating layer of film surrounding the oily substrate, and covering the barrier coating layer of film with a coating layer of a food product.
    Type: Grant
    Filed: June 29, 1990
    Date of Patent: April 13, 1993
    Assignee: Berwind Pharmaceutical Services, Inc.
    Inventors: Brian F. Duffy, Susan M. Grillo, Angela B. Tarpey
  • Fecal occult blood test kit
    Patent number: D281903
    Type: Grant
    Filed: February 9, 1983
    Date of Patent: December 24, 1985
    Assignee: C. B. Fleet Company, Inc.
    Inventor: Brian F. Duffy