HJ

Herve J. W. Janssen

📍 Venlo, NL: #3 of 22 inventorsTop 15%
Overall (1989): #106,774 of 140,708Top 80%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4855960 Process and apparatus for the preparation of mortars Wilhelmus Janssen 1989-08-08