Han Shu

📍 Beijing, MA: #4 of 8 inventorsTop 50%

Overall (1997): #144,484 of 185,788Top 80%

Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
5591134	Protective needle cover	—	1997-01-07