DV

Dirk Vogelaar

📍 Zoetermeer, NL: #85 of 196 inventorsTop 45%
Overall (All Time): #3,161,456 of 4,157,543Top 80%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
8454559 Hypodermic syringe with retractable needle Richardus Gerardus Theodora Fierkens, Richardus H. J. Fierkens, Arnoldus Theodorus Maria Telkamp 2013-06-04