ES

Ernst Jan Siewers

📍 Alkmaar, CO: #1 of 2 inventorsTop 50%
Overall (2025): #393,965 of 469,880Top 85%
1
Patents 2025

Issued Patents 2025

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
12392083 Dyed substrate comprising poly(lactic acid) fibres Tina Magdalena Rita Brueckner, Johan Albert Frans Kunst, Narjes Shojai Kaveh 2025-08-19