DJ

David L. Johnson

📍 Johnston, IA: #5 of 12 inventorsTop 45%
🗺 Iowa: #239 of 1,101 inventorsTop 25%
Overall (2003): #241,750 of 273,478Top 90%
1
Patents 2003

Issued Patents 2003

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6557254 Metallic wall framing, method and apparatus for producing same — 2003-05-06