Patents by Inventor Harold Heemskerk

Harold Heemskerk 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).

  • Patent number: PP26262
    Abstract: A new and distinct cultivar of Zamioculcas plant named ‘Heemzamio’, characterized by its upright plant habit with upwardly pointing pinnately-compound leaves; basally clumping habit; moderately vigorous growth habit; glossy leaflets that are dark greyed green and purple in color and at a distance, appear almost black in color; and glossy and cylindrical leaf rachises that are dark greyed green in color.
    Type: Grant
    Filed: January 31, 2014
    Date of Patent: December 22, 2015
    Assignee: KWEKERIJ HAROLD HEEMSKERK B.V.
    Inventor: Harold Heemskerk