Assignee
YU KING SUNG
TW·3 granted patents·80 citations·filing 1993–2012
Top patents by PatentIndex Score
3 records- 0190US8578556B1Auto-return apparatus for glass doorYU KING-SUNG·Filed 2012·Granted Nov 12, 2013·23 cites·7 claims
- 0283US8578557B2Patch fitting with closing functionYU KING-SUNG·Filed 2012·Granted Nov 12, 2013·14 cites·9 claims
- 0371US5265306AAutomatic door closing deviceYU KING SUNG·Filed 1993·Granted Nov 30, 1993·43 cites·2 claims
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