Assignee

CHENG HUNG-WEN

1 granted patent·1 pending application·35 citations·filing 2007–2009

Technology mixB65H2 H02G2

Top patents by PatentIndex Score

2 records

0189US7523883B2Dual roll-up wire reel device with resilient positioningCHENG HUNG-WEN·Filed 2007·Granted Apr 28, 2009·35 cites·1 claims
0238US2011061982A1Improved structure of single-pull composite wire reelCHENG HUNG-WEN·Filed 2009·Application pending·0 cites

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