TOPIC
Exercise
Stories containing inventions related to Exercise, tracing similar ideas across companies and years through patent drawings.
STORIES
Things · Furniture
Giving Chair Frames New Jobs: Ten Patent Drawings
Wear it on your legs. Carry it as a backpack. Turn it into a desk, ironing board, stepladder, bed, cart, stroller or exercise machine. Ten US patent drawings show chairs taking on jobs far beyond sitting.
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