Magnetically Activated Elevator Door Lock
Copyright © Targeted News Service 2024
2024-04-02
ALEXANDRIA, Virginia, April 2 -- OTIS ELEVATOR COMPANY, Farmington, Connecticut has been assigned a patent (No. US 11945685 B2, initially filed Aug. 31, 2020) developed by Wei Wei, Unionville, Connecticut, for "Magnetically activated elevator door lock." . . .