JG

James L. Grunwald

📍 Owatonna, MN: #123 of 233 inventorsTop 55%
🗺 Minnesota: #23,881 of 52,454 inventorsTop 50%
Overall (All Time): #2,313,059 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5170840 Method for detecting breaches in heat exchanger tubing — 1992-12-15
4925630 Sample vials tray — 1990-05-15