RS

R. Forrest Simpkins

📍 Oklahoma City, OK: #470 of 1,463 inventorsTop 35%
🗺 Oklahoma: #4,502 of 12,736 inventorsTop 40%
Overall (All Time): #2,278,308 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
D369187 Gravity accelerated ball guide — 1996-04-23
5431398 Ball game device — 1995-07-11