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US3517626A
|
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Vertically adjustable clamping assembly for a desk or the like
|
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US3381738A
|
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Movable space divider structures
|
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US3425173A
|
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Apparatus for partitioning a room having a stepped floor
|
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US3453790A
|
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Portable partitions
|
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US3414040A
|
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Folding partitions and operators therefor
|
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US3405756A
|
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Folding door
|
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US3374821A
|
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Movable space divider structure
|
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US3380647A
|
|
Latch unit for longitudinally movable closures
|
|
US3267990A
|
|
Folding door
|
|
US3380506A
|
|
Movable space divider structure
|
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US3178834A
|
|
Chalkboard
|
|
US3167111A
|
|
Folding door
|
|
US3097587A
|
|
Air flow control means for air screen structures
|
|
US3133589A
|
|
Two-piece hinge plates for folding closure structures
|
|
US3170385A
|
|
Air screen structure components and method of operation
|
|
US3131754A
|
|
Folding door structure
|
|
US3082817A
|
|
Foldable door sealing arrangement
|
|
US3073382A
|
|
Folding door structure
|
|
US3062277A
|
|
Frame structure for foldable closures
|
|
US3040806A
|
|
Folding door structure
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