Assignee

LIN CHEN CHIH

TW·3 granted patents·3 citations·filing 2016–2018

Technology mixB21D1 B21K1 B22F1 B25B1

Top patents by PatentIndex Score

3 records

0172US9925581B2Process of manufacturing wrenchesLIN CHEN CHIH·Filed 2016·Granted Mar 27, 2018·1 cites·1 claims
0247US10322496B2Open-end wrenchLIN CHEN CHIH·Filed 2017·Granted Jun 18, 2019·0 cites·1 claims
0334USD839067SWrench headLIN CHEN CHIH·Filed 2018·Granted Jan 29, 2019·2 cites·1 claims

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