Assignee
TSUEI ALEXANDER CHIERUEN
US·3 granted patents·0 citations·filing 2019–2022
Top patents by PatentIndex Score
3 records- 0168US11730211B2Face mask and method for manufacturing thereofTSUEI ALEXANDER CHIERUEN·Filed 2021·Granted Aug 22, 2023·0 cites·14 claims
- 0261US11122841B2Face mask and method for manufacturing thereofTSUEI ALEXANDER CHIERUEN·Filed 2019·Granted Sep 21, 2021·0 cites·15 claims
- 0355US11944138B2Face mask and method for manufacturing thereofTSUEI ALEXANDER CHIERUEN·Filed 2022·Granted Apr 2, 2024·0 cites·20 claims
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