SC

Shu-Chen Cheng

Overall (All Time): #583,030 of 4,157,543Top 15%
9
Patents All Time

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDate
7552513 Barrier hinge assembly 2009-06-30
7438112 Roll-up barrier 2008-10-21
7396056 Childproof gate lock 2008-07-08
D543712 Baby chair 2007-06-05
7152372 Gate 2006-12-26
6715182 Self-closing safety gate hinge 2004-04-06
6425609 Locking device for a child safety door 2002-07-30
6112461 Safety gate for children 2000-09-05
5964545 Folding device for a playyard 1999-10-12