4. Furnishings
  5. Furniture, freestanding support, or frame therefor
  6. Seating unit

Ryokichi Yamazaki

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Apparatus for displacing extensible/contractible board for chair

Chairs and seats – With table – desk – or easel – Extensible from within or beneath seat component
Patent

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Chair for an acoustically designed building

Chairs and seats – Combined – With electrical feature
Patent

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Coupled chair unit convertible to a chair mode and to a desk mod

Chairs and seats – With table – desk – or easel – Extensible from within or beneath seat component
Patent

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Flip-up type seat

Chairs and seats – Movable bottom – Tiltable
Patent

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Folding chair unit

Furnishings – Furniture – freestanding support – or frame therefor – Seating unit
Patent

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Profile ID: LFUS-PAI-P-388607

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