DF

David L. Frericks

LE Lenco: 1 patents #4 of 7Top 60%
📍 Jackson, MO: #13 of 33 inventorsTop 40%
🗺 Missouri: #13,067 of 23,789 inventorsTop 55%
Overall (All Time): #3,904,388 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4931018 Device for training welders Donald Herbst, Richard Fay, Bruce A. Blair 1990-06-05