Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10205439 | Digital step attenuator with reduced relative phase error | Ravindranath Shrivastava | 2019-02-12 |
| 9444432 | Digital step attenuator with reduced relative phase error | Ravindranath Shrivastava | 2016-09-13 |
| 4365177 | Gas-cooled rotor for a turbo-generator | — | 1982-12-21 |
| 4333027 | Gas-cooled rotor for turbo-generator | — | 1982-06-01 |
| 4318021 | Rotary AC machine stator with pressure hose supported coil ends | Sven O. G. Johansson, Roland Kolsmyr, Esko Olavi Polvi | 1982-03-02 |