B66B 1/12

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Patent/Pub #TitleFiling DateIssue/Publication DatePatent Owner
2018/0229,967 ELEVATOR MAINTENANCE ACCESS SYSTEMS FOR ELEVATORSJan 31, 18Aug 16, 18Not available
2001/0025,745 Auxiliary device for displacing a payload receptacle of an elevatorApr 02, 01Oct 04, 01INVENTIO AG, IVENTIO AG,