SD

Scott R. Duncan

AK Asf Keystone: 2 patents #5 of 21Top 25%
NA Naco: 2 patents #1 of 6Top 20%
Daimlerchrysler Ag: 1 patents #1,774 of 4,854Top 40%
Overall (All Time): #1,038,483 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
6691625 Friction wedge for a railroad car truck having a replaceable wear member 2004-02-17
6672224 Railway car truck with a rocker seat Hans B. Weber 2004-01-06
6640661 Tilt steering wheel Richard D Zielesch, Jr., Glenn F. Syrowik 2003-11-04
6374749 Friction wedge for a railroad car truck having a replaceable wear member Robert M. Irving, Valerian S. Skawinski 2002-04-23
6062406 Pivot pin and retention clip assembly for a railroad car coupler 2000-05-16