Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6980069 | Magnetic device for a magnetic trip unit | Thomas O'Keeffe, Christian Daehler, Biranchi Sahu | 2005-12-27 |
| 6744339 | Motor protection trip unit | Christian Daehler, Biranchi Sahu, Tom O'Keeffe | 2004-06-01 |