DR

Don Ruckman

📍 Edmonton, CA: #9 of 61 inventorsTop 15%
Overall (1989): #138,893 of 140,708Top 100%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4884643 Downhole adjustable bent sub Mike Wawrzynowski 1989-12-05