Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6826498 | Computerized laboratory information management system | Charles Birkner, Heather Ann Kirkland, David Frederick Martinez | 2004-11-30 |
| 6711957 | Systems & methods for automating asphalt mix design | David Frederick Martinez | 2004-03-30 |