Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
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
Water bottle warning triangle
Visual universal decryption apparatus and methods
Air filter
Autonomous primary-mirror synchronized reset
Pressure washer
Motor device and method of manufacturing the same
Data processing apparatus, activation control method, and computer-readable storage medium
  Randomly Featured Patents
Sharing and organizing world wide web references using distinctive characters
Coatings of acrylamide-based copolymers
Method and apparatus for sorting disks depending upon their thickness
Chair
Bicycle light
Retractable device and method for providing traction
Current mirror circuit with current-compensated, high impedance output
Electrochemical cell
Multi-colored freeze-dried coffee and a process for producing the same
Active probe card