Zhi Hao Shang

UN Unknown: 1 patents #265 of 3,190Top 9%

Overall (2018): #173,843 of 503,207Top 35%

Patents 2018

Issued Patents 2018

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
9897427	Educational ruler	—	2018-02-20