Assignee
ZHANG ZHOUXIN
2 granted patents·1 pending application·6 citations·filing 2004–2005
Top patents by PatentIndex Score
3 records- 0142US7256559B2Walking structure of objectZHANG ZHOUXIN·Filed 2004·Granted Aug 14, 2007·4 cites·5 claims
- 0231US7437798B2Air reflux assembly of the vacuum cleanerZHANG ZHOUXIN·Filed 2004·Granted Oct 21, 2008·2 cites·15 claims
- 0330US2008237002A1Contact-Type Sensor of ObjectZHANG ZHOUXIN·Filed 2005·Application pending·0 cites
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