FO

Frederick K. Oplinger

📍 Berea, OH: #76 of 128 inventorsTop 60%
🗺 Ohio: #42,657 of 73,341 inventorsTop 60%
Overall (All Time): #3,736,526 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5492333 Tiles with handedness for games and puzzles — 1996-02-20