RS

Ronald S. Sorokan

📍 Sherwood Park, CA: #1 of 8 inventorsTop 15%
Overall (1989): #16,783 of 140,708Top 15%
2
Patents 1989

Issued Patents 1989

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4831795 Drilling derrick assembly 1989-05-23
4823870 Cantilever drilling structure 1989-04-25