AH

Andreas Hartmann

DA Degussa Ag: 1 patents #33 of 130Top 30%
📍 Celle, CA: #1 of 1 inventorsTop 100%
Overall (1989): #132,033 of 140,708Top 95%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4846935 Concentration of volatile compounds from solid or liquid material Gunter Giesselmann, Karl-Heinz Bruckner 1989-07-11