US Patent Issued to ETA SA Manufacture Horlogere Suisse on June 23 for "Timepiece regulating member comprising an index-assembly system provided with locking means" (Swiss Inventor)

ALEXANDRIA, Va., July 15 -- United States Patent no. 12,663,757, issued on June 23, was assigned to ETA SA Manufacture Horlogere Suisse (Grenchen, Switzerland).

"Timepiece regulating member comprising an index-assembly system provided with locking means" was invented by Julien Christan (Bienne, Switzerland).

According to the abstract* released by the U.S. Patent & Trademark Office: "A regulating member for a horological movement including an inertial mass, for example a balance, a balance spring, and an index-assembly system for adjusting the rate of the balance spring, the index-assembly system including a stud-holder including a first portion and a second portion, the first portion being movable relative to the second portion, wherein t...