HJ

Hendrik Jan De Jong

NN N.V. Nederlandsche Apparatenfabriek Nedap: 2 patents #1 of 8Top 15%
📍 The Hague, NL: #2 of 22 inventorsTop 10%
Overall (1994): #32,483 of 165,921Top 20%
2
Patents 1994

Issued Patents 1994

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5302903 Mastitis detector for dairy cattle Albertino Bernardo M. Verstege, Pieter Hendrik Hogewerf 1994-04-12
5284479 Implanter 1994-02-08