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Inventor
LIETZ BEN
US
2 patents
Patents
2 patents
US10435936B2
Oct 8, 2019
Methods and systems to indicate the status of door operations
RITE HITE HOLDING CORP
20 citations
91
US10358858B2
Jul 23, 2019
Methods and systems to indicate the status of door operations
RITE HITE HOLDING CORP
27 citations
91