DB

Donald M. Ballard

📍 Charlotte, NC: #43 of 207 inventorsTop 25%
🗺 North Carolina: #561 of 2,260 inventorsTop 25%
Overall (1997): #158,945 of 185,788Top 90%
1
Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5690239 Multi-purpose columnar support — 1997-11-25