ALEXANDRIA, Va., June 19 -- United States Patent no. 12,329,272, issued on June 17, was assigned to ULTRA INDUSTRIES LLC.
"Double action cleaning tool" was invented by Salvador Alvarez (Escondido, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "The double action cleaning tool of the present invention includes a dynamic double action dual brush head and a handle. The dynamic double action dual brush head includes two brush heads rotatably attached to a brush head base, allowing the brush heads to independently rotate about the axis in which it is rotatably attached to the brush head base. A mechanical device capable of storing and releasing energy is connected between the two brush heads, which is rigid...