Patents by Inventor David Michael Barrett

David Michael Barrett 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: 6166083
    Abstract: This invention relates to a sugar based or sugar alcohol-based suckable lozenge of the non-steroidal antiinflammatory drug flurbiprofen for the treatment of soar throat.
    Type: Grant
    Filed: January 4, 1999
    Date of Patent: December 26, 2000
    Assignee: The Boots Company, PLC
    Inventors: David Michael Barrett, Carl Simon Smith, David Michael Thurgood
  • Patent number: 5889057
    Abstract: This invention relates to the use of sugar-based or sugar alcohol-based lozenges containing flurbiprofen for the treatment of sore throat.
    Type: Grant
    Filed: June 16, 1997
    Date of Patent: March 30, 1999
    Assignee: The Boots Company PLC
    Inventors: David Michael Barrett, Carl Simon Smith, David Michael Thurgood