Inventor
WANG SHAOQING
US5 patents
⚠️ This page may combine multiple inventors who share the name “WANG SHAOQING”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
AT & T CORP
3 patentsUS5914472AJun 22, 1999
Credit card spending authorization control system
AT & T CORP1,022 citations98
US6381317B1Apr 30, 2002
Subscriber-initiated automated third party billing feature
AT & T CORP49 citations95
US6226366B1May 1, 2001
Subscriber-initiated automated third party billing feature
AT & T CORP46 citations95