Patents Assigned to Hortech
  • Periwinkle plant named Ralph Shugert
    Patent number: PP6960
    Abstract: A lesser periwinkle plant named Ralph Shugert, characterized by its glossy, reflexed foliage which is deep green and surrounded by thin white margins, and its large, deep violet, five-parted flowers.
    Type: Grant
    Filed: July 11, 1988
    Date of Patent: August 1, 1989
    Assignee: Hortech
    Inventor: David S. MacKenzie