Assignee
DER FUN PRESTRESSED METAL CO LTD
TW·2 granted patents·5 citations·filing 2016–2017
Top patents by PatentIndex Score
2 records- 0177US10046406B2Turning and thread-rolling machine with pre-compression deviceDER FUN PRESTRESSED METAL CO LTD·Filed 2017·Granted Aug 14, 2018·3 cites·13 claims
- 0268US9713863B2Automatic steel-bar coupling head making machineDER FUN PRESTRESSED METAL CO LTD·Filed 2016·Granted Jul 25, 2017·2 cites·12 claims
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