Patents by Inventor Gijsbertus Verhoef

Gijsbertus Verhoef 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).

  • Cortaderia plant named ‘SPLENDID STAR’
    Patent number: PP16277
    Abstract: A new cultivar of Cortaderia plant named ‘SPLENDID STAR’ that is characterized by dwarf, spreading habit, variegated golden foliage, and silver-white plumes in fall. In combination these traits set ‘SPLENDID STAR’ apart from all other existing varieties of Cortaderia known to the inventor.
    Type: Grant
    Filed: May 18, 2004
    Date of Patent: February 21, 2006
    Inventor: Gijsbertus Verhoef
  • plant named ‘Verweig 4’
    Patent number: PP21288
    Abstract: ‘Verweig 4’ is a new Weigela plant particularly distinguished by purple flowers, a moderately vigorous growth habit and green, pinkish and slightly white variegated foliage, is disclosed.
    Type: Grant
    Filed: June 15, 2009
    Date of Patent: September 14, 2010
    Inventor: Gijsbertus Verhoef
  • plant named ‘Slingco 1’
    Patent number: PP23654
    Abstract: A new cultivar of Weigela plant named ‘Slingco 1’ that is characterized by a compact habit, a short overall height, red flowers and green foliage.
    Type: Grant
    Filed: November 16, 2011
    Date of Patent: June 11, 2013
    Inventor: Gijsbertus Verhoef