DD

Dennis P. Dall-Winther

📍 Mason City, IA: #24 of 78 inventorsTop 35%
🗺 Iowa: #6,094 of 15,303 inventorsTop 40%
Overall (All Time): #2,356,882 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
D272802 Penlight holder — 1984-02-28
4218183 Windmill — 1980-08-19