GW

Gerald W. Wigen

📍 Minnetrista, MN: #29 of 73 inventorsTop 40%
🗺 Minnesota: #23,881 of 52,454 inventorsTop 50%
Overall (All Time): #2,245,275 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5908549 Filtration and regeneration system — 1999-06-01
5858216 Filtration and regeneration system — 1999-01-12