...that "patent leather" got its name because the process of applying the polished black finish to leather was once patented?
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| Number | Title | Issue Date |
| 7416252 | Backpost unit of wooden dining chair with reclining mechanism A backpost for use in wooden dining chair. The backpost unit provides reclining movements for a wooden chair of the type having a stationary frame section within which the backpost unit is secured. The backpost unit consists of an interlocking mechanism with minimum... | 08/26/2008 |
| 7293833 | Chair and support mechanism unit thereof A chair is provided with a base 6 fixed at an upper end of a leg pillar 5, a back support unit 13 attached to the base 6 so as to tilt backward, a backrest 3 attached to the back support unit 13, and a spring unit 14 ... | 11/13/2007 |
| 7273253 | Chair ride mechanism with tension assembly A task chair, including a backrest assembly and a seat assembly pivotally coupled both to one another and to side portions of a fixed yoke member for synchronized movement, in which the seat of the seat assembly moves upwardly and forwardly concurrently with recline... | 09/25/2007 |
| 7249801 | Cushioning device to cushion the backrest of a chair, an armchair, an office chair or similar Cushioning device to cushion a backrest with respect to the seat of a chair or suchlike. The device comprises a first supporting element connected to the backrest, a second supporting element connected to the seat and pinned to the first supporting element, and a sp... | 07/31/2007 |
| 7234775 | Dynamically balanced seat assembly having independently and arcuately movable seat and backrest and method A seat assembly (21) including a seat (22), a backrest (23) and a mounting assembly (24) mounting the seat (22) in a near horizontal orientation for movement along an upwardly concaved arcuate seat path having a center of curvature... | 06/26/2007 |
| 7213887 | Attachment of head rest guide tube to vehicle seat frame A vehicle seat assembly includes a seat back frame having an aperture extending therethrough, and a head rest guide tube disposed in the aperture. The guide tube has a radially extending swaged portion engaged with the seat back frame for securing the guide tube to ... | 05/08/2007 |
| 6616232 | Tiltable spring-biased chair A chair including a frame, a seat pivotally mounted on the frame, a spring construction effectively positioned between the seat and the frame, a first selectively actuatable latch positioned between the seat and the frame effective to maintain the seat la... | 09/09/2003 |
| 6039397 | Tilt back chair control A tilt back chair provides for selective independent and concurrent movement of a chair back with respect to a chair seat. The seat is mounted to a spring biased bracket for pivotal movement about a seat tilt axis. The back is connected to a pair of pivot... | 03/21/2000 |
| 5725276 | Tilt back chair and control A tilt back chair provides for selective independent and concurrent movement of a chair back with respect to a chair seat. The seat is mounted to a spring biased bracket for pivotal movement about a seat tilt axis. The back is connected to a pair of pivot... | 03/10/1998 |
| 5062676 | Adjustable chair An adjustable chair includes a base having a pair of spaced, parallel, forwardly extending frame members and a vertically extending frame connected to, and projecting upwardly from, the base, the vertically extending frame having a pair of spaced, general... | 11/05/1991 |
| 4626028 | Seat for vehicles A seat for vehicles such as automobiles etc., wherein a seatback is splitted into an upper part and a lower part and each of these splitted upper and lower parts is equipped with a respective reclining device. An intermediate releasing device which reclin... | 12/02/1986 |