HJ

Hendrik Jan De Jong

NN N.V. Nederlandsche Apparatenfabriek Nedap: 1 patents #1 of 5Top 20%
📍 The Hague, NL: #5 of 25 inventorsTop 20%
Overall (1989): #107,121 of 140,708Top 80%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4847592 Detection plate having pin-shaped attachment means Johannes H. L. Hogen Esch 1989-07-11