Inventor
CRUMPLEY ROBERT L
US12 patents
⚠️ This page may combine multiple inventors who share the name “CRUMPLEY ROBERT L”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
AT & T CORP
7 patentsUS5373549ADec 13, 1994
Multi-level conference management and notification
AT & T CORP211 citations98
US5416834AMay 16, 1995
Redirection of calls by a communication terminal
AT & T CORP77 citations96
US5386466AJan 31, 1995
Automatic initialization of a distributed telecommunication system
AT & T CORP70 citations96
US5377262ADec 27, 1994
Telecommunication switching system having adaptive routing switching nodes
AT & T CORP84 citations96
US5375167ADec 20, 1994
Telecommunication switching system having distributed dialing plan hierarchy
AT & T CORP57 citations96
US5390242AFeb 14, 1995
Rerouting in a distributed telecommunication system
AT & T CORP32 citations92
US5390241AFeb 14, 1995
Shared line appearance across a plurality of switching systems
AT & T CORP27 citations92
AT & T BELL LAB
4 patentsUS5185742AFeb 9, 1993
Transparent signaling for remote terminals
AT & T BELL LAB94 citations96
US5182750AJan 26, 1993
Transparent remoting of switching network control over a standard interface link
AT & T BELL LAB41 citations92
US5182751AJan 26, 1993
Switching system using identical switching nodes
AT & T BELL LAB36 citations92
US5159594AOct 27, 1992
Transparent communication of control information through a switching network
AT & T BELL LAB26 citations92