Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D351468 | Tube for testing for alcohol in the breath | — | 1994-10-11 |
| 5328664 | Prepackaged fluid test system for determining levels of a substance | — | 1994-07-12 |
| 4329318 | Capsules for determining the alcohol content of the breath | Andre Le Grouyellec | 1982-05-11 |