YZ

Yu Zheng

PC Patent Category: 9 patents #1 of 1Top 100%
📍 Beijing, PA: #1 of 9 inventorsTop 15%
Overall (2003): #1,889 of 273,478Top 1%
9
Patents 2003

Issued Patents 2003

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDate
6668847 Collapsible structures 2003-12-30
D483088 Floating lounger 2003-12-02
D481435 Floating lounger 2003-10-28
6604537 Collapsible structures 2003-08-12
6581313 Collapsible structures supported on a pole 2003-06-24
6575185 Collapsible structures 2003-06-10
6571410 Collapsible assembly 2003-06-03
6557192 Sleeping bag with enhancements 2003-05-06
6560095 Collapsible structures having enhancements 2003-05-06