ALEXANDRIA, Va., Aug. 12 -- United States Patent no. 12,706,074, issued on Aug. 11.

"String tensioner for stringed instrument" was invented by Cosmos Lyles (New York).

According to the abstract* released by the U.S. Patent & Trademark Office: "A string tensioner for a stringed musical instrument is configured to apply a constant or near-constant tension to a musical string of the instrument. The string tensioner employs a primary spring that applies a primary force coaxial with the string. Each string tensioner also employs one or more secondary springs that apply a secondary force in a direction crossing the axis of the string. The secondary force has an axial force component that changes as the angle of the secondary spring changes. The...