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Inventor Creates Power Wrench (1:05)
Why did it take so long for someone to invent a battery-powered wrench? Learn the story behind the AutoWrench, a super tool developed by John Piccone. From Modern Marvels.
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Inventor Creates Power Wrench
Inventor Creates Power WrenchVideo Clip (1:05)
Video Clip (1:05)
Why did it take so long for someone to invent a battery-powered wrench? Learn the story behind the AutoWrench, a super tool developed by John Piccone. From Modern Marvels.
