DB

Dirk Bertelmann

📍 Recklinghausen, DE: #7 of 50 inventorsTop 15%
Overall (2003): #236,532 of 273,478Top 90%
1
Patents 2003

Issued Patents 2003

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6572246 Lighting device Armin Hopp 2003-06-03