Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D274257 | Precision bore fused silica tubing with tapered section | Norman W. Wohlers | 1984-06-12 |
| 4440550 | On-column injector | Norman W. Wohlers | 1984-04-03 |
| D273040 | Fused silica syringe needle | Norman W. Wohlers | 1984-03-13 |
| D271085 | Chromatographic on-column injector | Norman W. Wohlers | 1983-10-25 |