DW

Donald H. Wattenhofer

BS Bgk Finishing Systems: 1 patents #8 of 10Top 80%
📍 Fridley, MN: #174 of 315 inventorsTop 60%
🗺 Minnesota: #32,449 of 52,454 inventorsTop 65%
Overall (All Time): #3,885,734 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5050232 Movable heat treating apparatus utilizing proportionally controlled infrared lamps Charles H. Bergman, David E. Bannick, Richard A. Stein 1991-09-17