ALEXANDRIA, Va., Dec. 9 -- United States Patent no. 12,491,612, issued on Dec. 9.
"Weld-on damaged fastener removal device" was invented by Terry K Robins (Minneapolis, Kan.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A weld-on damaged fastener removal device has a weld cup with a deep concave form, and a detachable handle attached to the weld cup. The weld cup has a base and sidewalls that define a hex-shaped outer surface for accommodating a drive tool for rotating the device. A circular hole extends through the base, and a cone-shaped protrusion surrounds the hole. In use, the weld cup is positioned with the hole in the base of the weld cup aligned with the fastener, and the cone-shaped protrusion prot...