GM

Gregory J. Maddox

📍 Ardmore, OK: #1 of 6 inventorsTop 20%
🗺 Oklahoma: #137 of 631 inventorsTop 25%
Overall (1997): #146,936 of 185,788Top 80%
1
Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
D386621 Sports picture frame Michael P. Donoghue 1997-11-25