Inventor
MARCHAND DEAN C
US14 patents
⚠️ This page may combine multiple inventors who share the name “MARCHAND DEAN C”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MCI INC
4 patentsUS6947532B1Sep 20, 2005
Fraud detection based on call attempt velocity on originating number
MCI INC56 citations94
US6801607B1Oct 5, 2004
System and method for preventing fraudulent calls using a common billing number
MCI INC21 citations87
US6782083B2Aug 24, 2004
ISN call interrupt
MCI INC2 citations57
US7079635B2Jul 18, 2006
Domestic origination to international termination country set logic
MCI INC0 citations51
WORLDCOM INC
4 patentsUS6570968B1May 27, 2003
Alert suppression in a telecommunications fraud control system
WORLDCOM INC39 citations91
US6618475B2Sep 9, 2003
Domestic origination to international termination country set logic
WORLDCOM INC9 citations72
US6590967B1Jul 8, 2003
Variable length called number screening
WORLDCOM INC11 citations72
US6556669B2Apr 29, 2003
International origination to domestic termination call blocking
WORLDCOM INC9 citations72
VERIZON BUSINESS GLOBAL LLC
3 patentsUS7236954B1Jun 26, 2007
Fraud detection based on call attempt velocity on terminating number
VERIZON BUSINESS GLOBAL LLC26 citations91
US7760862B2Jul 20, 2010
Domestic to international collect call blocking
VERIZON BUSINESS GLOBAL LLC4 citations61
US7366289B2Apr 29, 2008
Domestic origination to international termination country set logic
VERIZON BUSINESS GLOBAL LLC0 citations51