Melissa Poarch, right, gives her daughter, McFadden Elementary fifth-grader Julia Poarch, and her partner, Aislyn Welch, left, last-minute pointers on their presentation for their invention “Dog Gone Doggie Door Opener” during the 2012 Invention Convention at MTSU’s Murphy Center Feb. 20. (MTSU photo by Andy Heidt)
![](https://mtsunews.com/wp-content/uploads/2012/02/Invention-Convention-2012-1.jpg)
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