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
Locking flange
Manipulation of an alternative respiratory pathway in photo-autotrophs
Cooler
Glass or glass-ceramic pane reflecting infrared radiation
Method and system for providing intelligent call rejection and call rollover in a data network
Thermally efficient busway
Technique for manufacturing bit patterned media
  Randomly Featured Patents
Magnetic tunneling structure having ferromagnetic layers of different crystallographic structure
Iron-carbon composite, carbonaceous material comprising said iron-carbon composite and process for preparing the same
Sensor data sharing
High speed network switch
Methods for identification of modulators of OSGPR114 or OSGPR78 activity, and their use in the treatment of disease
Soft switching boost and buck regulators
Dual-purpose fishing rod holster
Thin film actuated mirror array in an optical projection system and method for manufacturing the same
Nose plug structure with filter
Hierarchical locking in B-tree indexes