JD

John-John Dratva

📍 ᐙᔂᓂᐲ Waswanipi, CA: #140 of 249 inventorsTop 60%
Overall (All Time): #3,551,689 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6422156 Railway box car structure Robert B. Winsor, Jean-Francois Pharand, Ronald F. Woollam, Jean Iorio, Mell R. Thoman 2002-07-23