YZ

Yifeng Zhang

P( Polygroup Macau Limited (Bvi): 3 patents #2 of 10Top 20%
📍 Xinxiang, CA: #1 of 3 inventorsTop 35%
Overall (2021): #56,668 of 548,734Top 15%
3
Patents 2021

Issued Patents 2021

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
11193289 Threaded attachment system for wall-mounted pool skimmer Victor Ocegueda 2021-12-07
11063399 Powered tree construction Victor Hugo Ocegueda Gallaga 2021-07-13
11045012 Inflatable airbed mattress internal support system Victor Hugo Ocegueda Gallaga, Chaolong Lan, Minglian Ma 2021-06-29