ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,472,536, issued on Nov. 18.
"Drain cleaners" was invented by Chong Song Yi (Mohegan Lake, N.Y.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Discussed is a drain cleaner including a body having a first section and a second section, wherein the first section includes a lower part connected to a lower handle and an upper part connected to an upper handle, and wherein the upper part is configured to move relative to the lower part based on a movement of the upper handle with respect to the lower handle when the upper and lower handles are squeezed together by a user."
The patent was filed on Aug. 20, 2024, under Application No. 18/810,297.
*For further ...