Patents Assigned to Bio-Support Industries Limited
  • Patent number: 4556254
    Abstract: A backrest comprising a moulded shell support having in medial longitudinal section a shallow S shape and in lateral section a shallow concave shape. The support is upholstered by a foam layer and a fabric cover stretched between the lateral margins to assist in delocalizing pressures on the back of a user and assist in ventilating the backrest.
    Type: Grant
    Filed: November 2, 1984
    Date of Patent: December 3, 1985
    Assignee: Bio-Support Industries Limited
    Inventor: Frank L. Roberts