DK

Duane A Koehler

Ford: 2 patents #80 of 660Top 15%
📍 Vancouver, WA: #25 of 163 inventorsTop 20%
🗺 Washington: #471 of 4,011 inventorsTop 15%
Overall (2004): #66,688 of 270,089Top 25%
2
Patents 2004

Issued Patents 2004

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6793263 Pickup truck with lift assisted tailgate system Stephen Bruford, Jeffrey Alan Firzlaff, Scott G. Miller, Ed Rybarczyk, Glenn VanGelderen 2004-09-21
6769729 Automotive tailgate with lift assist system-I Stephen Bruford, Jeffrey Alan Firzlaff, Scott G. Miller, Ed Rybarczyk, Glenn VanGelderen 2004-08-03