ALEXANDRIA, Va., July 21 -- United States Patent no. 12,686,091, issued on July 21, was assigned to MAKITA Corp. (Anjo, Japan).

"Dust collection system for power tool" was invented by Hitoshi Iida (Anjo, Japan), Masanori Furusawa (Anjo, Japan) and Kei Watanabe (Anjo, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A power tool and a dust collection attachment have their respective batteries as power supplies and can continue operating when one of the batteries is depleted. A dust collection system for a power tool includes a power tool including a switch, a tool-body DC motor, a tool-body controller, and a tool-body battery, and a dust collection attachment attachable to the power tool and including a s...