Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4879098 | Device for the separation of the lighter fraction from the heavier fraction of a liquid sample | Phyllis Palmer | 1989-11-07 |
| 4849340 | Reaction system element and method for performing prothrombin time assay | — | 1989-07-18 |
| 4843017 | Device for the separation of the lighter fraction from the heavier fraction of a liquid sample | Phyllis Palmer | 1989-06-27 |