Patent no. US6266930 is for a "Squabble Shield". The shield is a shatterproof, clear plexiglass wall that fits in the middle of the back seat of a family car. It keeps children apart, and from squabbling, while the parent is driving.
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500+ Useless Facts
אקראיJust a couple of random facts that you don't really need to know but have the urge to find out anyway! There will be different categories such as animal facts, phobia facts, world record facts, nature facts, number and statistic facts, entertainment...
