JH

Joseph Han

HC Hydrotech Chemical: 1 patents #1 of 2Top 50%
📍 Irvine, CA: #29 of 136 inventorsTop 25%
🗺 California: #2,144 of 10,592 inventorsTop 25%
Overall (1989): #95,116 of 140,708Top 70%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4869817 Backwash valve lever control system Joe Mendoza 1989-09-26