Patents Assigned to Ledragomma S.R.I.
  • Patent number: 7144354
    Abstract: Balls, balloons and other inflatable objects made from a plastic material with an improved resistance to tearing, suitable for use in gymnastic activities, for rehabilitation and physiotherapy comprise as stiffening material an inert mineral charge having a granulometry between 0.02 ? and 500 ?, in an amount between 0.50% and 20% by weight.
    Type: Grant
    Filed: June 13, 2002
    Date of Patent: December 5, 2006
    Assignee: Ledragomma S.R.I.
    Inventor: Steno Dondeā€²