US Patent Issued on March 31 for "Inverted string nut for zero-fret guitar systems" (Norwegian Inventor)

ALEXANDRIA, Va., March 31 -- United States Patent no. 12,592,212, issued on March 31.

"Inverted string nut for zero-fret guitar systems" was invented by Tore Geir Thoresen (Roeyken, Norway).

According to the abstract* released by the U.S. Patent & Trademark Office: "An inverted string nut assembly for zero-fret guitar systems is disclosed. The assembly includes downward-facing tunneled slots that guide each string through a dual-bend configuration, maintaining consistent pressure and precise lateral spacing across the zero fret. Each tunnel features a solid, curved roof to minimize friction and facilitate smooth string movement during tuning. The nut is mounted on a flat surface adjacent to the zero fret and is removably secured, allowing...