Issued Patents 1989
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4866681 | Photo-acoustic detector | — | 1989-09-12 |
| 4849636 | Analyzer with compensation | — | 1989-07-18 |
| 4827778 | Liquid separator | Clayton J. Bossart, Albert L. Welker | 1989-05-09 |
| 4806314 | Organic fluid detection system and apparatus | T. Lee Zinn | 1989-02-21 |
| 4799374 | Liquid separator | Clayton J. Bossart, Albert L. Welker | 1989-01-24 |