Connecting Mechanism, Elevator Shaft Module and Elevator System
Copyright © Targeted News Service 2024
2024-11-12
ALEXANDRIA, Virginia, Nov. 12 -- OTIS ELEVATOR COMPANY, Farmington, Connecticut has been assigned a patent (No. US 12139371 B2, initially filed Nov. 9, 2021) developed by three inventors Bichun Li, Shanghai, China; Qirui Wang, Shanghai, China; and Shenhong Wang, Shanghai, China, for "Connecting mechanism, elevator shaft module and elevator system." . . .