Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5217510 | Apparatus for preventing particle deposition from process streams on optical access windows | Ulrich Grimm | 1993-06-08 |
| 4939376 | Light collection device for flame emission detectors | Stephen D. Woodruff, Richard L. Pineault | 1990-07-03 |