HF

Helmut Feuerstein

BO BOE: 1 patents #57 of 201Top 30%
📍 Ladenburg, DE: #3 of 16 inventorsTop 20%
Overall (1989): #107,031 of 140,708Top 80%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4847196 Stabilized composition of tetrazolium salts Edda Geisler, Hans Lange 1989-07-11