DO

Douglas C. Ochab

📍 Norridge, IL: #30 of 79 inventorsTop 40%
🗺 Illinois: #34,584 of 84,256 inventorsTop 45%
Overall (All Time): #2,328,036 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4799674 Weight lifting safety device — 1989-01-24
4711449 Weight lifting safety device — 1987-12-08