Inventor

DUNCAN SCOTT R

US4 patents

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

ASF KEYSTONE INC

2 patents

US6672224B2Jan 6, 2004

Railway car truck with a rocker seat

ASF KEYSTONE INC91 citations96

US6691625B2Feb 17, 2004

Friction wedge for a railroad car truck having a replaceable wear member

ASF KEYSTONE INC72 citations95

NACO INC

2 patents

US6062406AMay 16, 2000

Pivot pin and retention clip assembly for a railroad car coupler

NACO INC24 citations89

US6374749B1Apr 23, 2002

Friction wedge for a railroad car truck having a replaceable wear member

NACO INC67 citations88