Patents by Inventor Daniel S. Araujo

Daniel S. Araujo 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
    Publication number: 20110023900
    Abstract: A tobacco smoke filter or filter element comprising a cylindrical plug of a substantially homogeneous filtering material of circumference between 14.0 and 23.2 mm, wherein the substantially homogeneous filtering material comprises a plurality of randomly oriented staple fibres.
    Type: Application
    Filed: January 23, 2009
    Publication date: February 3, 2011
    Inventors: Paul Francis Clarke, Daniel S. Araujo