Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11692997 | Breath testing apparatus | Eric Lyle Hamilton | 2023-07-04 |
| 11193926 | Breath testing apparatus | Eric Lyle Hamilton | 2021-12-07 |
| D777315 | Evacuated air chamber | Norbert John Thomas Christman, Steven D. Hamilton | 2017-01-24 |
| 9140685 | Apparatus and methods for testing apparatus including on-board instructional videos and upload/download data capabilities | Norbert John Thomas Christman | 2015-09-22 |
| 9011348 | Air sampling apparatus and methods | N. Thomas Christman | 2015-04-21 |