CJ

Calvin L. Jacobson

📍 Harlan, IA: #8 of 26 inventorsTop 35%
🗺 Iowa: #6,094 of 15,303 inventorsTop 40%
Overall (All Time): #2,350,727 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4628840 Combination coulter and fertilizer knife apparatus — 1986-12-16
4205615 Self-aligning swivel clamp — 1980-06-03