Resources Contact Us Home
Collapsible sofa bed mattress

Image Number 5 for United States Patent #5551104.

A mattress of a sofa bed contains a portion which is collapsible and portions which are conventional and non-collapsible. The collapsible and non-collapsible portions are hinged to fold within a sofa bed frame.

  Recently Added Patents
Plants and seeds of corn variety CV778791
Packaging for socks
Materials for organic electroluminescent devices containing substituted 10-benzo[c]phenanthrenes
Sensor chip, sensor cartridge, and analysis apparatus
Methods and kits for predicting the responsiveness of hepatocellular carcinoma patients to 5-fluorouracil-based combination chemotherapy
Transporting business intelligence objects between business intelligence systems
Alleviation of laser-induced damage in optical materials by suppression of transient color centers formation and control of phonon population
  Randomly Featured Patents
Pressure to voltage converter for measuring gas glow rates
Articulated arm robot
Automobile tire
Wheel for automobile
Callistemon plant named `Matthew Flinders`
Apparatus for electric steelmaking
Systems and methods for fabricating 3-D objects
Circuit for driving flat display device
Device for supplying strip flexible material to a work station
Combined mouse pad and storage container combined