JO

James F. Opeka

📍 Granville, OH: #115 of 222 inventorsTop 55%
🗺 Ohio: #30,338 of 73,341 inventorsTop 45%
Overall (All Time): #2,204,718 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
D477672 Ladder leveler 2003-07-22
D412210 Ladder stabilizer 1999-07-20