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Inventor
ZHANG ZEEMAN Z
US
2 patents
⚠️ This page may combine multiple inventors who share the name “ZHANG ZEEMAN Z”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
BELLSOUTH INTELLECT PTY CORP
1 patent
US6597780B1
Jul 22, 2003
Method and system for providing a continuous tone source using a service node
BELLSOUTH INTELLECT PTY CORP
10 citations
70
JASPER WIRELESS LLC
1 patent
US7489769B2
Feb 10, 2009
Method and system for providing a continuous tone source using a network node
JASPER WIRELESS LLC
4 citations
58