Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
DR

D de Roos

Leeuwarden, NL: #4 of 8 inventorsTop 50%
Overall (2002): #75,183 of 266,432Top 30%
1 Patents 2002

Issued Patents 2002

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6385910 Swivel-sliding door system for a vehicle Pieter Smink, Johan Pieter Hulshoff, Bart van der Sloot, Frans Hesmerg 2002-05-14