Patents Assigned to Research & Development of North Carolina
  • Patent number: 4943066
    Abstract: A ball-like article includes a flexible outer skin of a size and shape adapted to be readily grasped within the palm of one hand. The skin has a plush outer surface and defines an interior approximately fifty percent (50%) of which is occupied by a quantity of plastic pellets or other granular material to be movable in a generally fluidic fashion within the interior. The article has a characteristic kneadable quality adapted for therapeutic manual manipulation, light manual tossing and catching, and other non-impactive recreational activities.
    Type: Grant
    Filed: February 2, 1989
    Date of Patent: July 24, 1990
    Assignee: Research & Development of North Carolina
    Inventors: Delbert L. Lathim, Ting Liu, Charles F. Foley