ALEXANDRIA, Va., June 4 -- United States Patent no. 12,318,853, issued on June 3, was assigned to Lisheng Yu (Stafford, Texas).
"Dustless miter saw" was invented by Lisheng Yu (Stafford, Texas) and Alick Tin Heng Yu (Missouri City, Texas).
According to the abstract* released by the U.S. Patent & Trademark Office: "A dustless compound sliding miter saw with a built-in dust collection system is disclosed. The dustless compound sliding miter saw uses an extraction turbine to create a vacuum region at the end of the blade exist from the cut wood piecework, the blade housing has an external extraction channel and an external suction tube to maximize the dust collection. A retractable dust guard is utilized to confine the sawdust in the vacuum ...