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"Flight by machines heavier than air is unpractical and insignificant, if not utterly impossible."
Simon Newcomb, astronomer ; Said in 1902, less than two years before the first flight at Kitty Hawk
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| Number | Title | Issue Date |
| 6718570 | Convertible couch bed A convertible couch bed that consists of a frame (20) that has a pair of opposed ends (22) with each end having a horizontal upper surface (24), an arm (26) and a plurality of legs (28). The frame includes a pair of lower longitudi... | 04/13/2004 |
| 6161231 | Sleeper sofa with an air mattress A sleeper sofa incorporating an air mattress including a telescoping mattress frame for supporting a mattress support subassembly consisting of hinge panels. The hinges used to connect the panels limit the angular range of motion of adjacent panels to plu... | 12/19/2000 |
| 5505513 | Convertible bed/seat for vehicle A truck camper having a large, flat truck bed and a top cover or shell is provided with a unit of furniture which is manually convertible between bed form and seat form. It consists of three essentially-rectangular elongated platforms hinged at adjacent s... | 04/09/1996 |
| 4631764 | Console bed A collapsible bed is disclosed, foldable upright for storage in an article of furniture. The frame of the bed is formed of three connected longitudinal sections supported by three pairs of floor-engaging legs. The rear section is foldable over the middle ... | 12/30/1986 |
| 4612677 | Convertible sofa mechanism An improved three-section convertible sofa mechanism for installation in a convertible sofa. The mechanism has three sections which unfold from a sofa configuration into a bed configuration. The conversion is assisted by a motor-operated pair of bellows w... | 09/23/1986 |
| 4129908 | Foundation unit with cushioned cross rails An improved foundation unit for a mattress or the like is provided which is firmer in the center than conventional torsion spring-type foundation units while having sufficient flexibility under normal loads and weight distribution to comfortably support a... | 12/19/1978 |
| 3952344 | Pull-out folding sofa beds This bed comprises a front forwardly extending foot section having rearwardly extending side arms. Said side arms have similar, symmetrically disposed, horizontal offset portions raised above the horizontal plane of the bed mattress supporting fabric of t... | 04/27/1976 |
