Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5186900 | Blood collection and transportation assembly for evidentiary purposes | Donald H. Nichols, D. Gary Hemphill | 1993-02-16 |
| 5134875 | Breath alcohol simulator solution containers and method of using same | Donald H. Nichols | 1992-08-04 |
| 4917867 | Apparatus for the collection and transportation of dual biological samples | Donald H. Nichols, D. Gary Hemphill | 1990-04-17 |
| 4873193 | Method and apparatus for the collection and preservation of fluid biological evidence | Donald H. Nichols, D. Gary Hemphill | 1989-10-10 |