Patents Assigned to Joh. Spek Boomkwekerijen B.V.
  • Ilex plant named ‘Northern Lights’
    Patent number: PP20083
    Abstract: A new and distinct cultivar of Ilex plant named ‘Northen Lights’, characterized by its upright plant habit; freely branching habit; dark green and yellow green bi-colored foliage with sharp spines; and good garden performance.
    Type: Grant
    Filed: January 25, 2008
    Date of Patent: June 9, 2009
    Assignee: Joh. Spek Boomkwekerijen B.V.
    Inventor: Peter Spek
  • plant named ‘Spek 02’
    Patent number: PP26088
    Abstract: A new cultivar of Ilex aquifolium, ‘Spek 02’, that is characterized by its variegated foliage with deep green centers and golden yellow margins, its deep purple-red young shoots, its good winter hardiness, and its ability to be readily propagated by softwood stem cuttings.
    Type: Grant
    Filed: July 17, 2013
    Date of Patent: November 17, 2015
    Assignee: JOH. SPEK BOOMKWEKERIJEN B.V.
    Inventor: Pieter Spek