RB

Rudolf Burkhardt

HA Huels Troisdorf Ag: 1 patents #4 of 15Top 30%
📍 Troisdorf, DE: #10 of 23 inventorsTop 45%
Overall (1989): #60,244 of 140,708Top 45%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4822420 Sealing composition for soil barriers Hansjurgen Hass, Reiner Hitze, Gunther Zoche 1989-04-18