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Inventor
MARCHAND DEAN
US
5 patents
⚠️ This page may combine multiple inventors who share the name “MARCHAND DEAN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MCI WORLDCOM INC
3 patents
US6418212B1
Jul 9, 2002
Telephone fraud detection and prevention
MCI WORLDCOM INC
24 citations
86
US6404871B1
Jun 11, 2002
Termination number screening
MCI WORLDCOM INC
14 citations
82
US6335971B1
Jan 1, 2002
Country to country call intercept process
MCI WORLDCOM INC
13 citations
71
WORLDCOM INC
2 patents
US6396915B1
May 28, 2002
Country to domestic call intercept process (CIP)
WORLDCOM INC
25 citations
90
US6404865B1
Jun 11, 2002
Domestic to country call intercept process (CIP)
WORLDCOM INC
9 citations
71