DG

Daniel Grinols

RI Rupp Industries: 1 patents #4 of 6Top 70%
📍 Eagan, MN: #561 of 891 inventorsTop 65%
🗺 Minnesota: #32,449 of 52,454 inventorsTop 65%
Overall (All Time): #3,657,841 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5941233 Indirect-fired heater with regeneration reclaim rotary heat exchanges Craig L. Carney, Ronald J. Prekker 1999-08-24