Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Collapsible sofa bed mattress










Image Number 3 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
Device and method for adjusting a chrominance signal based on an edge strength
Kit and method for the capture of tumor cells
Data architecture and user interface for plasma processing related software applications
Enabling improvement in cellular network coverage
Managing distributed applications using structural diagrams
3D solid-state arrangement for solid state memory
Cathode material for lithium ion secondary battery and lithium ion secondary battery using it
  Randomly Featured Patents
Self-evolving database and method of using same
Transmission circuit and system for the same
Fluid pressure powered actuator
Planar type thickness shear mode quartz oscillator
Method and system for automatic exposure compensation
Light-source lamp unit, light-source device and projection-type display apparatus
Morphology discrimination for capture assessment
Power insertable nylon coated magnet wire
Attenuator
Smart distributed measurement and control system with a flexible architecture