ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,543,913, issued on Feb. 10.
"Magnetic sweeper" was invented by Hsiao-Chi Chang (Changhua County, Taiwan) and Chia-Te Wang (Changhua County, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A magnetic sweeper is provided, wherein the magnetic sweeper includes: a main body; a magnetic mechanism including at least one connector, a magnet unit and a bar, the at least one connector being connected to the main body and movable in a pull direction, the magnet unit being disposed at a side of the at least one connector, the bar being swingably disposed at another side of the at least one connector, and the bar, the at least one connector and the magnet uni...