DA

Duane R. Ardolf

📍 Maple Grove, MN: #791 of 1,211 inventorsTop 70%
🗺 Minnesota: #32,449 of 52,454 inventorsTop 65%
Overall (All Time): #3,981,373 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4691344 Low-powered remote sensor and telephone line transmitter Richard W. Brown 1987-09-01