ALEXANDRIA, Va., Oct. 8 -- United States Patent no. 12,433,464, issued on Oct. 7, was assigned to Numatic International Ltd. (Great Britain).
"Floor treatment machine" was invented by Simon Wiltshire (Chard, Great Britain).
According to the abstract* released by the U.S. Patent & Trademark Office: "Walk-behind floor treatment machine comprising: a base portion provided with and supported by at least one rotatable work head for treating the floor, a handle portion for steering or guiding the machine along a working direction of travel and adapted to be pivotable with respect to the base portion, drive means for rotating the work head with respect to the base portion, floor-engaging wheel means for supporting the handle portion, the wheel m...