Patents by Inventor Oscar R. Valstar

Oscar R. Valstar 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).

  • Stromanthe plant named ‘Valmic’
    Patent number: PP15475
    Abstract: A new and distinct cultivar of Stromanthe plant named ‘Valmic’, characterized by its upright and outwardly spreading plant habit; freely basally clumping growth habit; and large green and creamy white-colored leaves with purple-colored lower surfaces.
    Type: Grant
    Filed: January 28, 2004
    Date of Patent: January 11, 2005
    Assignee: Handelskwekerij Gebr. Valstar C.V.
    Inventor: Oscar R. Valstar
  • Calathea plant named ‘HGV03’
    Patent number: PP19404
    Abstract: A new cultivar of Calathea plant named ‘HGV03’ that is characterized by variegated leaves on the upper side that are dark green with a light green midrib and double light green circles along the margin and light green spots. The lower side of the leaves are dark red-purple.
    Type: Grant
    Filed: March 9, 2007
    Date of Patent: November 4, 2008
    Assignee: Gebr. Valstar Beheer BV
    Inventor: Oscar R. Valstar
  • Calathea plant named ‘HGV07’
    Patent number: PP19677
    Abstract: A new cultivar of Calathea plant named ‘HGV07’ that is characterized by broad lance shaped leaves that are variegated and have white main veins.
    Type: Grant
    Filed: March 9, 2007
    Date of Patent: February 10, 2009
    Assignee: Gebr. Valstar Beheer BV
    Inventor: Oscar R. Valstar