YC

Yen-Li Chang

Overall (All Time): #660,425 of 4,157,543Top 20%
8
Patents All Time

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
D551308 Football 2007-09-18
D533238 Football 2006-12-05
7066853 Method for manufacturing an inflatable ball and a ball made with the method 2006-06-27
D518536 Football 2006-04-04
D504709 Football 2005-05-03
D503760 Football 2005-04-05
D498802 Football 2004-11-23
D484934 Sports ball 2004-01-06