ALEXANDRIA, Va., Jan. 29 -- United States Patent no. 12,207,681, issued on Jan. 28, was assigned to R.Y.L. INC. (Commerce, Calif.).
"Filter for smoking smokable substances" was invented by Suk Hwan Ou (Commerce, Calif.) and Kyung Kim (Lakewood, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A tube filter for smoking a smokable substance that includes a receiving section having a receiving chamber dimensioned to receive the substance, a smoke section having a smoke chamber to output smoke produced while the substance is ignited, wherein the smoke section has a first open end into the smoke chamber and the receiving section has a second open end into the receiving chamber that is opposite to the first e...