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
Memory cell and memory cell array using the same
Program recording medium, image processing apparatus, imaging apparatus, and image processing method
Method and system for reduction of decoding complexity in a communication system
Portable, single member housing cord protector
Memory device and self interleaving method thereof
Error scanning in flash memory
Puncture resistant fabric
  Randomly Featured Patents
Building block
Ski binding with a positioning and fixing mechanism for its binding piece bodies
Photovoltaic device
System and method for peer-profiling individual performance
Broadhead arrowhead
Methods of inhibiting poxvirus growth
Process for producing poxviruses and poxvirus compositions
Integrated circuit device
Closure panel actuator
Cross-domain authentication