US Patent Issued to The Swatch Group Research and Development on June 9 for "Horological regulating member with balance spring provided with pressure-compensating means" (Swiss Inventors)

ALEXANDRIA, Va., June 9 -- United States Patent no. 12,650,668, issued on June 9, was assigned to The Swatch Group Research and Development Ltd (Marin, Switzerland).

"Horological regulating member with balance spring provided with pressure-compensating means" was invented by Gianni Di Domenico (Neuchatel, Switzerland), Baptiste Hinaux (Lausanne, Switzerland), Mohammad Hussein Kahrobaiyan (Boudevilliers, Switzerland), Jean-Luc Helfer (Le Landeron, Switzerland) and Pascal Winkler (St-Blaise, Switzerland).

According to the abstract* released by the U.S. Patent & Trademark Office: "A regulating member for a horological movement includes an oscillating weight, for example a balance, a balance spring including a flexible strip wound about itsel...