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Transport

Travel bingo was patented in the 1940s for road trips

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Marking off squares for a cow, a silo, or a speed limit sign was actually patented genius. A clever inventor created the slide-window cardboard grids so pieces would not bounce around in a vibrating vehicle. It effectively commercialized the act of intensely staring out a side window.

Travel bingo was patented in the 1940s for road trips
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