Inventor

SEYDEL LEE C

US4 patents

⚠️ This page may combine multiple inventors who share the name “SEYDEL LEE C”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

MCI COMMUNICATIONS CORP

2 patents

US5706286AJan 6, 1998

SS7 gateway

MCI COMMUNICATIONS CORP278 citations95

US5966431AOct 12, 1999

SS7 gateway

MCI COMMUNICATIONS CORP112 citations94

MCI CORP

2 patents

US5638431AJun 10, 1997

Calling card validation system and method therefor

MCI CORP101 citations93

US5640446AJun 17, 1997

System and method of validating special service calls having different signaling protocols

MCI CORP278 citations92