Assignee
RINGSUN SHENZHEN IND LTD
CN·5 granted patents·1,055 citations·filing 2005–2008
Top patents by PatentIndex Score
5 records- 0198US7311238B2Electric staplerRINGSUN SHENZHEN IND LTD·Filed 2005·Granted Dec 25, 2007·1k cites·16 claims
- 0279US7240703B2Automatic pencil sharpenerRINGSUN SHENZHEN IND LTD·Filed 2005·Granted Jul 10, 2007·14 cites·19 claims
- 0371US7674969B2Finger musical instrumentRINGSUN SHENZHEN IND LTD·Filed 2008·Granted Mar 9, 2010·15 cites·9 claims
- 0459US7726365B2Electric pencil sharpenerRINGSUN SHENZHEN IND LTD·Filed 2007·Granted Jun 1, 2010·3 cites·8 claims
- 0542US7581573B2Electric pencil sharpenerRINGSUN SHENZHEN IND LTD·Filed 2006·Granted Sep 1, 2009·1 cites·9 claims
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