JH

John T. Hachman

UE US Dept of Energy: 1 patents #23 of 355Top 7%
🗺 California: #2,144 of 10,592 inventorsTop 25%
Overall (1989): #95,165 of 140,708Top 70%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4812210 Measuring surfactant concentration in plating solutions William D. Bonivert, Joseph C. Farmer 1989-03-14