DS

David E. Seffens

📍 Monroe, LA: #36 of 148 inventorsTop 25%
🗺 Louisiana: #2,223 of 10,876 inventorsTop 25%
Overall (All Time): #1,606,764 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6811022 Log transport system Michael C. Ballard, David R. Shald, David C. Seffens, Jeffery T. Ramsey 2004-11-02
4823851 Infeed table for lumber planer machine 1989-04-25
4298043 Log transport system 1981-11-03