RS

Rudolf Sipkema

SB Stamicarbon B.V.: 1 patents #9 of 53Top 20%
📍 Geleen, NL: #1 of 13 inventorsTop 8%
Overall (1989): #59,976 of 140,708Top 45%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4801745 Improved process for the preparation of urea Jozef Hubert Meessen 1989-01-31