Material handling apparatus for delivering or retrieving items | Patent Publication Number 20200156118

US 20200156118 A1
Patent NumberUS 11192144 B2
Application Number16750596
Filled DateJan 23, 2020
Priority DateJan 12, 2007
Publication DateMay 21, 2020
Original AssigneeOpex
Current AssigneeOpex
Inventor/ApplicantsRobert R. DeWitt
George Hayduchok
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