Patents by Inventor W. Andrew Duvall

W. Andrew Duvall 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).

  • Viburnum plant named ‘Duvone’
    Patent number: PP17751
    Abstract: A new and distinct viburnum plant named ‘Duvone’ which is distinguished by the same characteristics which make it a valuable ornamental plant; specifically, abundant spicy fragrant flowers, glossy foliage, multi-hued autumn color developing and holding after most deciduous plants have defoliated, and slow growth and tidy habit suitable for smaller scale low maintenance landscapes.
    Type: Grant
    Filed: March 8, 2005
    Date of Patent: May 22, 2007
    Inventor: W. Andrew Duvall