Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4882288 | Assay technique and equipment | John North, Satham Petty-Saphon | 1989-11-21 |
| 4828387 | Film measuring device and method with internal calibration to minimize the effect of sample movement | Laurence Robinson | 1989-05-09 |