The research didn't cost his company a nickel, because ESpin and the SimCenter were able to tap university and federal and state government grant programs for small business.

FORBES: Back on Track

Doshi has recruited engineers from Miami and Atlanta for his venture, but he got some key technology nearby: To perfect the design of a filter, he got computational engineers at the SimCenter at the University of Tennessee at Chattanooga to model thousands of air- and liquid-flow variables.

FORBES: Back on Track