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Inventor
SUTHERLAND II ANDREW VICTOR
US
2 patents
Patents
2 patents
US10304026B2
May 28, 2019
System for personal mail piece tracking and tracing from multiple sources by user identifier
ESCHER GROUP LTD
3 citations
71
US11475392B2
Oct 18, 2022
System for personal mail piece tracking and tracing from multiple sources by user identifier
ESCHER GROUP LTD
0 citations
60