Assignee
DU QINGSHAN
CN·5 granted patents·14 citations·filing 2020–2020
Top patents by PatentIndex Score
5 records- 0179USD923117SToyDU QINGSHAN·Filed 2020·Granted Jun 22, 2021·9 cites·1 claims
- 0260USD954850SToyDU QINGSHAN·Filed 2020·Granted Jun 14, 2022·3 cites·1 claims
- 0347USD954849SToyDU QINGSHAN·Filed 2020·Granted Jun 14, 2022·1 cites·1 claims
- 0446USD964492SBall toyDU QINGSHAN·Filed 2020·Granted Sep 20, 2022·1 cites·1 claims
- 0538USD1006906SToyDU QINGSHAN·Filed 2020·Granted Dec 5, 2023·0 cites·1 claims
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