Patents by Inventor Ann R. Treadaway

Ann R. Treadaway 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).

  • Tobacco smoke filter
    Patent number: 10779564
    Abstract: There is provided a tobacco smoke filter (1) or filter element comprising: a rod (2) of a tobacco smoke filtering material; a continuous extruded element (7) extending longitudinally of the rod (2); and a flavouring agent.
    Type: Grant
    Filed: November 11, 2010
    Date of Patent: September 22, 2020
    Assignee: FILTRONA FILTER PRODUCTS DEVELOPMENT CO. PTE. LTD
    Inventors: Ann R. Treadaway, James D. Reed, Stephen Longley-Martines
  • TOBACCO SMOKE FILTER
    Publication number: 20120291792
    Abstract: There is provided a tobacco smoke filter (1) or filter element comprising: a rod (2) of a tobacco smoke filtering material; a continuous extruded element (7) extending longitudinally of the rod (2); and a flavouring agent.
    Type: Application
    Filed: November 11, 2010
    Publication date: November 22, 2012
    Inventors: Ann R. Treadaway, James D. Reed, Stephen Longley-Martines