Issued Patents 2003
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6637339 | Method for exchanging data between a device for programming and triggering electronic detonators and said detonators | Jan Petzold, Heinz Schafer, Ulrich Steiner | 2003-10-28 |