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| Number | Title | Issue Date |
| 6668409 | Convoluted foam futon mattress A futon mattress has a first support component formed from fabric batting, a second support component formed from convoluted foam and a separation layer interposed between the first support component and the second support component for preventing the mig... | 12/30/2003 |
| 6237173 | Articulated foam futon mattress An articulated foam mattress including a back section and a seat section joined to each other by a hinge section. Both the back section and the seat section are formed from polyurethane foam. The hinge section is formed from visco-elastic foam, commonly r... | 05/29/2001 |
| 5534295 | Polyurea/polyurethane edge coating and process for making Polyurea/polyurethane coatings can be applied in situ to the edges of substrates without the need for adding any additives to increase flowability or moldability. The in situ application utilizes the extremely fast cure time of polyurea/polyurethanes to p... | 07/09/1996 |
| 5153952 | Latch assembly for a convertible sofa bed A convertible sofa bed which is convertible to provide a sofa or a bed. The convertible sofa bed has a seat which is hinged to a back and supported by a frame. A pivoting pawl, having a bottom end, is attached to the seat near the hinged point. A notch is... | 10/13/1992 |
| 5146640 | Latching assembly for a convertible sofa bed A convertible sofa which is convertible to provide a sofa or a bed. The convertible sofa has a seat which is hinged to a back and supported by a frame. A pivoting pawl having a tapered edge is attached to the seat near the hinged point. Moreover, a step i... | 09/15/1992 |
