Patents for A47B 39 - School forms; Benches or forms combined with desks (1,532) |
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03/28/1990 | CN2054997U School desk with posture rectifying device |
01/30/1990 | CA1265037A1 Table |
06/20/1989 | US4840343 Quick release seat support |
02/28/1989 | US4807928 Tray apparatus for use with a chair |
02/15/1989 | CN2032418U Standard desk adjustable for vision protection |
01/25/1989 | CN2031221U Health care table and seat unit |
01/11/1989 | EP0138876B1 A chair having supporting members for the posterior and the shins, respectively, of a chair occupant |
01/04/1989 | CN2030041U Adjustable folding combined desk and chair |
11/23/1988 | CN88200422U Combined desks and chairs for school |
08/30/1988 | US4767159 Chair having supporting member for the posterior and the shins, respectively, of a chair occupant |
08/24/1988 | CN87213067U Multifunctional table and chair for study |
08/17/1988 | CN87210787U Adjustable children's table and chair |
07/20/1988 | CN87203924U Adjustable school desks and chairs for children |
04/27/1988 | CN87213880U Multi-purpose health school desk-chair |
02/23/1988 | CA1233101A1 Chair having supporting members for the posterior and the shins, respectively, of a chair occupant |
02/17/1988 | CN87200160U Double function healthy chair with inclined and translational motion mechanism |
01/27/1988 | CN87204026U Posture correcting instrument |
01/13/1988 | EP0252274A2 Chair-like sitting-device |
01/07/1988 | DE3621792A1 School furniture combination comprising a chair and a worktable |
12/02/1987 | CN87203903U Correcting device for sitting posture |
10/07/1987 | CN86208889U Reading-distance hold device for students |
09/10/1987 | DE3607464A1 Work table/seat unit, in particular for children and young people |
04/15/1987 | CN86201857U Adjustable folding table-chair set |
10/22/1986 | CN85204886U Posture-correcting unit |
05/02/1985 | EP0138876A1 A chair having supporting members for the posterior and the shins, respectively, of a chair occupant. |
09/27/1984 | WO1984003614A1 A chair having supporting members for the posterior and the shins, respectively, of a chair occupant |
09/04/1984 | US4469029 Universal work station, which can be transformed and adapted, allowing multiple and practical specific uses |
08/18/1982 | EP0058125A2 Universal, transformable and adaptable work-bench allowing specific, multiple and functional applications |
07/07/1981 | CA1104625A1 Child's convertible desk |
09/05/1979 | EP0003882A1 School desk, work desk or the like |
01/10/1978 | US4067606 Trolley table and seat |
10/05/1976 | US3984144 Step a desk children's cabinet |