How I Built This with Guy Raz

Leatherman Tool Group: Tim Leatherman

Most entrepreneurs expect it will take at least a few years for their businesses to gain traction. But Tim Leatherman waited 7 years to make a single, $175 sale. In the late 1970s, he had set up shop in his brother-in-law's garage, scavenged some metal from old appliances, and built a tool that he'd dreamed up a few years before: a foldable pair of pliers…