EL

Ervin C. Langan

📍 Atchison, KS: #10 of 31 inventorsTop 35%
🗺 Kansas: #4,268 of 12,005 inventorsTop 40%
Overall (All Time): #2,351,134 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4493162 Seed coating composition and method Howard W. Christie 1985-01-15
4260027 Flail-type mulcher cultivator 1981-04-07