BS

Bradley Smith

VN Voestalpine Nortrak: 2 patents #4 of 9Top 45%
VG Voestalpine Vae Gmbh: 1 patents #7 of 13Top 55%
Overall (All Time): #914,952 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
12359377 Switch point roller assembly Thomas Bostany, Eric Chandler Gray, Adam Patrick Karnes-Aceves, Brent Duffner 2025-07-15
11168446 Rail fastening apparatus Brent Duffner, Gary Click, Derek Cameron 2021-11-09
D910487 Railroad tie Gary Click, Matt Moore, Brent Duffner, Derek Cameron 2021-02-16
10400397 Boltless rail brace Gary Click, Brent Duffner, Derek Cameron 2019-09-03
9290192 Spring wing controller Gary Click, Brent Duffner, Martin Webb 2016-03-22