Apparatus and method for door control | Patent Publication Number 20230085922

US 20230085922 A1
Patent NumberUS 11952823 B2
Application Number17994916
Filled DateNov 28, 2022
Priority DateJan 14, 2020
Publication DateMar 23, 2023
Original AssigneeCornellcookson Llc
Inventor/ApplicantsZhizhuo Wu
Ryan Carroll
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