HS

Hans Spengler

RU Rutgerswerke: 1 patents #5 of 20Top 25%
📍 Halle, BE: #2 of 12 inventorsTop 20%
Overall (1989): #107,647 of 140,708Top 80%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4795847 Preparation of 2,6-dialkyl-naphthalenes Jens Weitkamp, Marita Neuber, Wilhelm Holtmann, Gerd Collin 1989-01-03