RD

Robert Donaldson

📍 Statesville, NC: #7 of 14 inventorsTop 50%
🗺 North Carolina: #561 of 2,260 inventorsTop 25%
Overall (1997): #86,449 of 185,788Top 50%
1
Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5655494 Variable roller valve system for internal combustion engine — 1997-08-12