Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5981204 | Method for forensically screening hair samples for the presence of cannabinoids | Ted Donald Johnson, Raymond C. Kelly | 1999-11-09 |
| 5910419 | Method for forensically screening hair samples for the presence of cannabinoids | Ted Donald Johnson, Raymond C. Kelly | 1999-06-08 |