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The invention of the side dump trailer changed the way construction crews did site prep, cutting the time it took to haul loads in half. While many companies may offer some version of the side dump trailer, only one can be credited with its invention and perfection. In 1994, Ralph Rogers, founder, and president of Side Dump Industries (SDI) filed the first patent for a dump trailer that would allow the operator to dump the contents of the trailer on either side of their vehicle. After reinven...Read More