Patents Assigned to The Institute of Orthopaedics
  • Patent number: 4185341
    Abstract: A mattress of resilient foam has a separate cover formed from a chemically/physico-chemically porous material to transmit water/vapor on the outer side of the surface, due to differential water vapor pressure to within the mattress from which it can disperse.
    Type: Grant
    Filed: January 23, 1979
    Date of Patent: January 29, 1980
    Assignee: The Institute of Orthopaedics
    Inventor: John T. Scales
  • Patent number: 4136413
    Abstract: A mattress of resilient foam has a separate cover formed from a chemically/physico-chemically porous material to transmit water/vapor on the outer side of the surface, due to differential water vapor pressure to within the mattress from which it can disperse.
    Type: Grant
    Filed: November 4, 1977
    Date of Patent: January 30, 1979
    Assignee: The Institute of Orthopaedics
    Inventor: John T. Scales