Catherine Hettinger

Hettinger originally invented a spinning gadget that rests on one finger as a toy for her daughter in the early 1990s, and began to sell it at local arts and crafts fairs in Florida.

She filed a patent application for her design in 1993 and received a patent in 1997.Hettinger attempted to sell the toy to Hasbro, but at the time they rejected the spinners.Hettinger's patent expired in 2005 after she couldn't afford to pay the US$400 renewal fee.