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
Wristwatch
Method and apparatus for organizing segments of media assets and determining relevance of segments to a query
Nanoparticles in a flash memory using chaperonin proteins
Verification of computer-executable code generated from a model
Process for preparing red cocoa ingredients, red chocolate, and food products
Methods and systems for presenting an inhalation experience
Morphinan compounds
  Randomly Featured Patents
Aerosol dispensing system
Aromatic compound-free solvent for printing inks
Image forming apparatus and method of controlling the image forming apparatus
Optical cable with easily removable inner sheath
Methods of making semiconductor-on-insulator thin film transistor constructions
Microtube-strip heat exchanger
Electrolytic bath and methods of use
Categorizing fasteners and construction connectors using visual identifiers
Bowl
Scanning apparatus