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