ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,449,769, issued on Oct. 21, was assigned to Glashutter Uhrenbetrieb GmbH (Sachsen, Germany).
"Horological switchable display mechanism" was invented by Max Joachim (Dresden, Germany) and Tony Braun (Muglitztal, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "A horological mechanism with a first mechanism (100) and a first output wheel set (101), a second mechanism and a second output wheel set (102), for displaying a first or a second indication specific to the first mechanism (100) or second mechanism (200), by a switching and coupling mechanism (500), including, on a coupling arbor (937, 938), two input wheel sets (1; 2) connected to the output...