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Otto R. Letzig

📍 Richmond, MO: #4 of 11 inventorsTop 40%
🗺 Missouri: #13,067 of 23,789 inventorsTop 55%
Overall (All Time): #4,118,892 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4220434 Hopper for grain augers — 1980-09-02