Patents by Inventor Frans C. M. van Haastest

Frans C. M. van Haastest 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).

  • Clematis plant named ' Vanso'
    Publication number: 20030115650
    Abstract: Described as a new variety of Clematis which produces fully doubled flowers of attractive coloration.
    Type: Application
    Filed: December 18, 2001
    Publication date: June 19, 2003
    Inventor: Frans C.M. van Haastest
  • Clematis plant named ‘Vanso’
    Patent number: PP15953
    Abstract: Described as a new variety of Clematis which produces fully doubled flowers of attractive coloration.
    Type: Grant
    Filed: December 18, 2001
    Date of Patent: September 13, 2005
    Assignee: Pride of Place Plants
    Inventor: Frans C. M. van Haastest