Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6600393 | Temperature-compensated rod resonator | Fredrik Pahlman, Per Hogberg | 2003-07-29 |
| 6563251 | Energy recovery in electromechanical motors | Karl Håkansson, Stefan Johansson | 2003-05-13 |