TB

Todd A. Barvinek

📍 Marion, IA: #275 of 453 inventorsTop 65%
🗺 Iowa: #8,735 of 15,303 inventorsTop 60%
Overall (All Time): #3,895,118 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4897960 Railroad crossing gate James W. Jensen 1990-02-06