Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5425915 | Culturette safety sleeve | Robert E. Phillips, David M. Mathis, Albert Lopez | 1995-06-20 |
| 5256537 | Culturette safety sleeve | Robert E. Phillips, David M. Mathis, Albert Lopez | 1993-10-26 |