Inventor

ROXBY ROBERT J

US3 patents

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

JAC OPERATIONS INC

2 patents

US12054183B2Aug 6, 2024

Open top gondola railcar

JAC OPERATIONS INC0 citations43

US12459549B2Nov 4, 2025

Method and cast components for cold formed center sill rail car modification programs and railcars formed thereby

JAC OPERATIONS INC0 citations40

JAC PATENT COMPANY

1 patent

US6601522B2Aug 5, 2003

Top chord structure

JAC PATENT COMPANY26 citations84