HJ

Hendrikus Wilhelmus Theodorus Janssen

📍 Malden, NL: #3 of 5 inventorsTop 60%
Overall (2022): #436,060 of 548,613Top 80%
1
Patents 2022

Issued Patents 2022

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11291173 Growth device for crop, use of such a device, and a series of growth devices 2022-04-05