KF

Krag D. Filius

📍 Butte, MT: #47 of 139 inventorsTop 35%
🗺 Montana: #987 of 3,198 inventorsTop 35%
Overall (All Time): #2,247,023 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5877394 Method for treating waste containing stainless steel Stephan Kujawa, Daniel M. Battleson, Edward L. Rademacher, Jr., Patrick V. Cashell, Philip A. Flannery +1 more 1999-03-02
5731564 Method of operating a centrifugal plasma arc furnace Stephan Kujawa, Daniel M. Battleson, Edward L. Rademacher, Jr., Patrick V. Cashell, Philip A. Flannery +1 more 1998-03-24