Patents Assigned to DON HAK AND SON, INC.
  • UNIVERSAL SEED METERING DISC
    Publication number: 20040112913
    Abstract: The present invention is a seed metering disc for the distribution and planting of various sizes of seeds. The seed metering disc is defined by a set of seed cells which can accommodate various seed sizes in that each cell is defined by a recess, seed cell retention wall, and seed cell retention plate.
    Type: Application
    Filed: September 27, 2003
    Publication date: June 17, 2004
    Applicant: DON HAK AND SON, INC.
    Inventor: Larry Hak
  • Universal seed metering disc
    Patent number: 6634522
    Abstract: The present invention is a seed metering disc for the distribution and planting of various sizes of seeds. The seed metering disc is defined by a set of seed cells which can accommodate various seed sizes in that each cell is defined by a recess, seed cell retention wall, and seed cell retention plate.
    Type: Grant
    Filed: September 14, 2001
    Date of Patent: October 21, 2003
    Assignee: Don Hak & Son, Inc.
    Inventor: Larry Hak