Famous Patents
Felix Hoffmann, a German chemist, was searching for something to relieve his father's arthritis. In doing so, he "rediscovered" acetylsalicylic acid and in 1900, patented a stable process for developing it. Hence, we have aspirin.
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| Number | Title | Issue Date |
| 6738997 | Mechanism for a divan bed Innovative mechanism for a divan bed enabling the adjustment in three positions, said “divan”, “relax” and “bed”, comprising padding elements supported by two frames; said frames can reciprocally move by means of two angle-bars, concurrent in a point; on... | 05/25/2004 |
| 4669135 | Sofa bed with front extension A sofa bed includes a plurality of individual cushions supported by a rigid metal frame. The frame includes a plurality of multiply articulated frame members which cooperate to configure the cushions in either of two selected positions. The first defines ... | 06/02/1987 |
| 4437197 | Folding sofa-bed mechanism A folding bed frame for sofa-beds in which a plurality of frame sections, including a foot section, knee section, body section and head section are pivoted in end-to-end relation so as to be foldable between an extended bed-forming position and a retracte... | 03/20/1984 |
| 4376316 | Hinge for adjustable beds and the like A hinge is provided for adjustable, hospital-type beds of the type having at least one articulated mattress support section. The hinge comprises two hinge plates, each having three pivot points thereon arranged in a triangular pattern. The upper ends of t... | 03/15/1983 |
| 4104745 | Sofa bed with TV headrest A sofa bed frame has a storage area in the bottom below the front board which receives the folded sections of the bed unit when containing a mattress which is folded within the sections. A rear TV section is pivoted to a rear bottom section which is pivot... | 08/08/1978 |
