Patents Represented by Attorney David W. Smith
  • Patent number: 5287904
    Abstract: An inflatable rubber air chamber is bonded to a rubber blanket. The inflatable rubber air chamber is inflated through an inflation tube. When inflated, a six inch cushion of air is created inside the air chamber. A cotton liner is bonded to the underside of the rubber blanket. All components could be bonded and sealed by rubber cement. The device could be custom made to fit the particular year, make and model of the vehicle.
    Type: Grant
    Filed: June 18, 1993
    Date of Patent: February 22, 1994
    Inventors: David W. Smith, Thomas C. Street