RS

Robert D. Smith

📍 Matthews, NC: #4 of 19 inventorsTop 25%
🗺 North Carolina: #217 of 1,241 inventorsTop 20%
Overall (1989): #61,039 of 140,708Top 45%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4802143 Alarm system for measurement while drilling oil wells — 1989-01-31