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Otto V. Long

📍 Clatskanie, OR: #3 of 15 inventorsTop 20%
🗺 Oregon: #17,068 of 28,073 inventorsTop 65%
Overall (All Time): #3,750,810 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5549032 Low-pollution high-power external combustion engine — 1996-08-27