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Inventor
DAVENPORT JR KEVIN LEE
US
2 patents
Patents
2 patents
US9699606B1
Jul 4, 2017
Delivery confirmation using overlapping geo-fences
AMAZON TECH INC
42 citations
92
US10445685B2
Oct 15, 2019
Delivery confirmation using overlapping geo-fences
AMAZON TECH INC
2 citations
71