William Y. Liu

📍 Brooklyn, NY: #2,473 of 6,894 inventorsTop 40%

🗺 New York: #48,759 of 115,490 inventorsTop 45%

Overall (All Time): #2,358,037 of 4,157,543Top 60%

Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
4448576	Pastry and dumpling maker	—	1984-05-15
4253691	Pet litter remover and bagger	—	1981-03-03