ALEXANDRIA, Va., March 19 -- United States Patent no. 12,252,877, issued on March 18, was assigned to MILWAUKEE ELECTRIC TOOL Corp. (Brookfield, Wis.).
"Sewer cleaning machine" was invented by John S. Scott (Brookfield, Wis.), Scott T. Moeller (Richfield, Wis.), Christopher S. Jones (Milwaukee), William D. Stoneback (Wauwatosa, Wis.) and Warren G. Corrado (Waterford, Wis.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A sewer cleaning machine includes a frame, a drum supported by the frame, and a motor supported by the frame and coupled to the drum. The drum includes a cable that is selectively extendable out of the drum. The motor is operable to rotate the drum. The frame is moveable between a first positio...