Roto-Rooter Plumbing & Drain
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In 1933, Samuel Blanc created a funny-looking sewer cleaning machine from a 1/6 HP Maytag washing machine motor, roller skate wheels and 3/8 inch cable to turn the blades. The device used a combination of special blades or "knives" to cut tree roots out of sewer lines. No digging was required. A year later, Sam's wife Lettie christened the prototype the "Roto-Rooter."