EF

Ernest W. Frey

📍 Sand Springs, OK: #24 of 81 inventorsTop 30%
🗺 Oklahoma: #4,502 of 12,736 inventorsTop 40%
Overall (All Time): #2,347,641 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4582168 Hunter's tree seat — 1986-04-15
4421459 Fluid level control apparatus — 1983-12-20