DM

Douglas C. Madsen

📍 Shell Rock, IA: #1 of 3 inventorsTop 35%
🗺 Iowa: #239 of 1,101 inventorsTop 25%
Overall (2003): #234,488 of 273,478Top 90%
1
Patents 2003

Issued Patents 2003

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6561120 Plastic barricade assembly Geoffrey M. Glass, Wayne J. Brocka 2003-05-13