US Patent Issued to INVENTIO on June 16 for "Safety locking device for a shaft door of an elevator and method for opening a shaft door of an elevator using a safety locking device" (Swiss Inventors)

ALEXANDRIA, Va., June 16 -- United States Patent no. 12,654,993, issued on June 16, was assigned to INVENTIO AG (Hergiswil, Switzerland).

"Safety locking device for a shaft door of an elevator and method for opening a shaft door of an elevator using a safety locking device" was invented by Andreas Bertram (Lucerne, Switzerland), Roland Delvento (Buren NW, Switzerland), Andreas Egger (Kriens, Switzerland), Flavio Greissinger (Kussnacht, Switzerland), Reto Hugentobler (Ennetburgen, Switzerland), Peter Mori (Rothenburg, Switzerland), Martin Rigert (Kriens, Switzerland), Martin Rogger (Rotkreuz, Switzerland), Ruedi Stocker (Eschenbach LU, Switzerland) and Oliver Wuthrich (Eich, Switzerland).

According to the abstract* released by the U.S. Pat...