WR

Willi Rojahn

DA Dragoco Gerberding & Co. Ag: 1 patents #2 of 3Top 70%
📍 Holzminden, DE: #2 of 4 inventorsTop 50%
Overall (1982): #23,322 of 81,411Top 30%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4313855 Fixative for perfume compositions Erich Klein 1982-02-02