SM

Sherman C. May

UN Unknown: 1 patents #145 of 1,640Top 9%
📍 San Francisco, CA: #59 of 251 inventorsTop 25%
🗺 California: #2,144 of 10,592 inventorsTop 25%
Overall (1989): #57,369 of 140,708Top 45%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4852668 Hydraulic drilling apparatus and method Ben Wade Oakes Dickinson, III, Robert Wayne Dickinson, Charles S. Mackey 1989-08-01