Inventor

ELVIDGE DAVID

US2 patents

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

FOSTER CO L B

1 patent

US12060089B2Aug 13, 2024

Spraying apparatus for applying friction modifying material to railroad rail

FOSTER CO L B1 citations47

L B FOSTER RAIL TECH CORP

1 patent

US11155284B2Oct 26, 2021

Rail port insert

L B FOSTER RAIL TECH CORP0 citations32