Patents by Inventor Petrus Cornelius Maria Olsthoorn

Petrus Cornelius Maria Olsthoorn 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).

  • Spathiphyllum plant named `Sweet Pablo`
    Patent number: PP10817
    Abstract: A distinct cultivar of Spathiphyllum plant named Sweet Pablo, characterized by its glossy green leaves that are held horizontal to the petiole; freely branching habit which gives a dense and full appearance to the plants; vigorous and rapid growth rate; early flowering; numerous large white flowers that are positioned just above the foliage on strong and erect peduncles; and long-lasting flowers.
    Type: Grant
    Filed: September 17, 1997
    Date of Patent: March 2, 1999
    Inventor: Petrus Cornelius Maria Olsthoorn