Pranavh Vallabhaneni Chadds Ford 9th grader Pranavh Vallabhaneni was honored recently for his ingenuity at the 5th annual Invention Convention U.S. Nationals, presented by Raytheon Technologies. He was among nearly 500 award-winning K-12 inventors from across the nation who were celebrated at a virtual awards ceremony held on July 2. Invention Convention Worldwide is a global K-12 invention education...