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

Dirk Jan Holtslag

Diepenheim, NL: #1 of 1 inventorsTop 100%
Overall (2003): #77,863 of 273,478Top 30%
1 Patents 2003

Issued Patents 2003

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6514368 Method for the production of a sandwich panel and core material therefor Henricus Johannes Maria Krabben 2003-02-04