Patents by Inventor Mark Ellerbrook

Mark Ellerbrook 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: PP22977
    Abstract: A new cultivar of Buxus semperivirens, ‘Sky Walker’, characterized by its very rapid growth rate that continues at least for six growing period, its very columnar plant habit with a low amount of lateral branching, its foliage with good color retention throughout the growing season, its greater degree of resistance to root diseases than is typical of Buxus.
    Type: Grant
    Filed: April 27, 2011
    Date of Patent: August 21, 2012
    Inventor: Mark Ellerbrook