RY

Richard C. K. Yen

📍 Yorba Linda, CA: #6 of 35 inventorsTop 20%
🗺 California: #2,144 of 10,592 inventorsTop 25%
Overall (1989): #64,904 of 140,708Top 50%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4867885 Vacuum suction type anti-clogging and dialysis device for filtration systems — 1989-09-19