JT

Jan Z. Tomaka

AL Alcan International Limited: 2 patents #2 of 62Top 4%
📍 Keyano, CA: #2 of 55 inventorsTop 4%
Overall (1989): #24,591 of 140,708Top 20%
2
Patents 1989

Issued Patents 1989

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4840127 Top chord for open top hopper cars — 1989-06-20
4800820 Side sill arrangement for a gondola-type railroad car — 1989-01-31