Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6424057 | Uninterruptible power supply (UPS) system with primary air cooling | Hilmar Darrelmann, Ralf Briest | 2002-07-23 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6424057 | Uninterruptible power supply (UPS) system with primary air cooling | Hilmar Darrelmann, Ralf Briest | 2002-07-23 |