MTSU Invention Convention participant Maddox Prichard, second from right, now an eighth-grade student at Station Camp Middle School in Gallatin, Tennessee, presents his patented “Measuring Shovel,” a common-sense tool marked with depth measurements to make gardening more precise, to the “investors” on the ABC entrepreneurship reality show “Shark Tank” in an episode that aired in early November. Helping him, from left, are his dad, Jason; his sister, Brenna; and his mom, Amanda. (Photo courtesy of ABC/Disney)
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