Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6640205 | Method and device for investigating and identifying the nature of a material | Hans-Werner Bongers-Ambrosius, Roland Schaer, Hans Boni | 2003-10-28 |
| 6600441 | Subsurface exploratory radar detector for a hand tool device | Stefan Liedtke, John Ewen, Klaus Dass | 2003-07-29 |