Issued Patents 2011
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7993281 | Breath alcohol measuring device with improved mouthpiece | Burkhard Stock, Rigobert Chrzan | 2011-08-09 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7993281 | Breath alcohol measuring device with improved mouthpiece | Burkhard Stock, Rigobert Chrzan | 2011-08-09 |