GL

Gregory Ryan Lehnhoff

CS Cf&I Steel: 1 patents #3 of 7Top 45%
📍 Monument, CO: #98 of 267 inventorsTop 40%
🗺 Colorado: #17,029 of 40,980 inventorsTop 45%
Overall (All Time): #1,923,847 of 4,157,543Top 50%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
10851436 Method for joining steel rails with controlled weld heat input Joseph Victor Kristan, Mark David Richards 2020-12-01
9670570 High carbon steel rail with enhanced ductility Joseph Victor Kristan, Mark David Richards 2017-06-06