Patents by Inventor Robert W. Bragdon

Robert W. Bragdon 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).

  • Hydantoins as animal food supplements
    Patent number: 4871552
    Abstract: Substituted hydantoin analogues of essential amino acids are used as nutritive supplements in animal feed compositions.
    Type: Grant
    Filed: March 29, 1988
    Date of Patent: October 3, 1989
    Assignee: W. R. Grace & Co.-Conn.
    Inventors: Robert W. Bragdon, Roger R. Gaudette
  • Hydantoins as animal food supplements
    Patent number: 4744990
    Abstract: Substituted hydantoin analogues of essential amino acids are used as nutritive supplements in animal feed compositions.
    Type: Grant
    Filed: September 25, 1986
    Date of Patent: May 17, 1988
    Assignee: W. R. Grace & Co.
    Inventors: Robert W. Bragdon, Roger R. Gaudette