FG

Fredrik W. de Groot

📍 Zeven, DE: #21 of 78 inventorsTop 30%
Overall (All Time): #2,363,183 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4396096 Mechanical shock absorber Jorg Bernert 1983-08-02
4275802 Mechanical shock absorber Jorg Bernert 1981-06-30