RR

Ralph K. Rustebakke

DI Dec International: 1 patents #22 of 60Top 40%
📍 Madison, WI: #2,790 of 4,527 inventorsTop 65%
🗺 Wisconsin: #23,834 of 40,088 inventorsTop 60%
Overall (All Time): #3,974,388 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4665712 Heat pump water heater system Kenneth C. Gehring 1987-05-19