DJ

David W. Johnson

EC Ebert Composites: 3 patents #1 of 3Top 35%
📍 Hastings, MN: #1 of 13 inventorsTop 8%
🗺 Minnesota: #132 of 3,156 inventorsTop 5%
Overall (1997): #17,255 of 185,788Top 10%
3
Patents 1997

Issued Patents 1997

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5644888 Heavy construction system using composite members 1997-07-08
5617692 Composite structure W. Brandt Goldsworthy, George Korzeniowski 1997-04-08
5597629 High shear strength pultrusion 1997-01-28