Patents by Inventor P. G. M. Ammerlaan

P. G. M. Ammerlaan 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).

  • Hybrid Tea rose plant named `Ruiyel`
    Patent number: PP10888
    Abstract: A new variety of Hybrid Tea rose plant producing yellow flowers of good form and suitable for growing under glass.
    Type: Grant
    Filed: August 29, 1997
    Date of Patent: May 11, 1999
    Assignee: De Ruiter's Nieuwe Rosen B.V.
    Inventor: P. G. M. Ammerlaan