DU

Dieter Ullrich

VA Veba Oel Ag: 1 patents #23 of 59Top 40%
Overall (All Time): #3,652,608 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5917102 Device for depolymerizing used and waste plastics Rolf Holighaus, Klaus Niemann, Klaus Strecker, Christian Hecka 1999-06-29