SS

Stephen Stella

BS Ballard Power Systems: 1 patents #206 of 467Top 45%
Overall (All Time): #3,457,285 of 4,157,543Top 85%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
6936991 Method and apparatus for motor control Li Chen, Roy I. Davis, Tod R. Tesch 2005-08-30