"I wanted to create a new type of mug that would allow users to easily transport and reheat espresso drinks," said an inventor, from Chula Vista, Calif., "so I invented the MU EXPRESSO. My design ...

"I wanted to create a new way to store as well as display a quantity of baseball caps to protect the quality and integrity of the head coverings," said an inventor, from Laramie, Wy., "so I invented ...