GA

Gerd Arntjen

📍 Rastede, DE: #3 of 25 inventorsTop 15%
Overall (All Time): #2,229,567 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6273813 Ventilation apparatus — 2001-08-14
5782053 Bearing element for supporting the roof cladding of a light-admitting roof ridge — 1998-07-21