YZ

Yu Zheng

PC Patent Category: 11 patents #1 of 1Top 100%
📍 Beijing, PA: #1 of 11 inventorsTop 10%
Overall (2004): #817 of 270,089Top 1%
12
Patents 2004

Issued Patents 2004

Showing 1–12 of 12 patents

Patent #TitleCo-InventorsDate
6769588 Carrying cases having amusement features 2004-08-03
6766815 Collapsible structures 2004-07-27
6758003 Collapsible structures supported on a pole 2004-07-06
D492380 Floating lounger 2004-06-29
6752163 Collapsible play structures 2004-06-22
6736740 Collapsible structures 2004-05-18
6736152 Collapsible panels having multiple frame members 2004-05-18
6714407 Collapsible structures having enhancements 2004-03-30
6705338 Collapsible structures 2004-03-16
6698441 Collapsible structures 2004-03-02
6694994 Collapsible structures 2004-02-24
6684894 Collapsible structures having overlapping support loops 2004-02-03