Ballas got the idea for the trimmer while driving through an
automatic car wash, where the rotating brushes gave him an idea. Using a tin can laced with fishing line and an
edge trimmer, he tried out his idea, which worked. After some refinements, he shopped it around to several tool makers, who all rejected his invention. He went on to develop the garden tool himself. The first year, sales were over a half million
dollars. By 1977 they were $80 million, and Ballas sold his company the following year to
Emerson Electric Company. ==References==