DB

Dirk Bertelmann

📍 Recklinghausen, DE: #120 of 345 inventorsTop 35%
Overall (All Time): #2,202,916 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6572246 Lighting device Armin Hopp 2003-06-03
6386737 Gobo rotation system Armin Hopp 2002-05-14