DD

David L. Duff

SL Siemens Electric Limited: 1 patents #23 of 51Top 50%
Overall (All Time): #2,304,383 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5245527 Modular ac drive controller Nareshroy M. Patel 1993-09-14
4467259 Slip energy recovery control system using hybrid inverter to improve quadrature current consumption 1984-08-21