Inventor

LEHNHOFF GREGORY RYAN

US2 patents

⚠️ This page may combine multiple inventors who share the name “LEHNHOFF GREGORY RYAN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

EVRAZ INC NA CANADA

1 patent

US9670570B2Jun 6, 2017

High carbon steel rail with enhanced ductility

EVRAZ INC NA CANADA1 citations32

CF&I STEEL L P

1 patent

US10851436B2Dec 1, 2020

Method for joining steel rails with controlled weld heat input

CF&I STEEL L P0 citations21