Foldable sofa-bed with folding-assist and extension-assist mechanisms | Patent Number 08011034
US 08011034 B2Filled DateMar 20, 2009
Priority DateMar 20, 2008
Publication DateSep 24, 2009
Expiration DateMar 19, 2028
Inventor/ApplicantsRobert Barron Duncan
Douglas Gasal
Marcus L. Murphy
D. Stephen Hoffman
Douglas Gasal
Marcus L. Murphy
D. Stephen Hoffman
ExaminesPOLITO, NICHOLAS F
Art Unit3673
Technology Center3600
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