OR

Otto A. Roehrick

📍 Rio Linda, CA: #6 of 23 inventorsTop 30%
🗺 California: #247,236 of 386,348 inventorsTop 65%
Overall (All Time): #4,122,073 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4228833 Ecolarium aquarium filler — 1980-10-21