Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4874582 | Sample handling unit for centrifugation | Donald G. Billington | 1989-10-17 |
| 4834019 | Tissue specimen treatment apparatus | David J. Bowman, Jeffrey Ellis Lockett, Michael W. Murry | 1989-05-30 |