BK

Berthold Keppeler

BS Ballard Power Systems: 2 patents #12 of 160Top 8%
📍 Owen, DE: #1 of 8 inventorsTop 15%
Overall (2003): #74,755 of 273,478Top 30%
2
Patents 2003

Issued Patents 2003

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6669923 Gas generator — 2003-12-30
6588211 Motor vehicle with a drive combustion engine Peter Friebe, Uwe Griesmeier, Jurgen Ludwig 2003-07-08