DH

Detlef Hagena

HR Haarmann & Reimer: 1 patents #3 of 7Top 45%
📍 Ennigerloh, DE: #4 of 9 inventorsTop 45%
Overall (1989): #120,945 of 140,708Top 90%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4814322 Scents, and scent compositions containing them Fritz Exner, Rudolf Hopp, Jurgen Nienhaus, Wilhelm Gottsch 1989-03-21