ALEXANDRIA, Va., Sept. 15 -- United States Patent no. D1,147,868, issued on Sept. 15, was assigned to Inventio AG (Hergiswil, Switzerland).
"Elevator operating panel" was invented by Sergiu Gorbuleac (Locarno, Switzerland), Massimo Calzavara (Masera, Italy) and Alessio Buetti (Locarno, Switzerland).
The patent was filed on Sept. 4, 2024, under Application No. D/961,115.
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