Inventor · disambiguated record

Zeyan Ying

Also filed as: YING ZEYAN

0 granted patents·2 pending applications·0 citations·filing 2017–2021

Technology areasB21D B42D

Files withSHENZHEN QUPA OFFICE EQUIPMENT CO LTD1 YING ZEYAN1

Top patents by PatentIndex Score

2 records

0122US2021339549A1Loose-leaf binder and process of producing sameYING ZEYAN·Filed 2021·Application pending·0 cites
0215US2017165995A1U-shaped binding element, its manufacture method and applicationSHENZHEN QUPA OFFICE EQUIPMENT CO LTD·Filed 2017·Application pending·0 cites

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