Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4832042 | Ventilator hood system for indirect calorimetry | Heinz F. Poppendiek, Steven B. Heymsfield | 1989-05-23 |
| 4819480 | Means and techniques useful in detecting ice on aircraft surfaces | — | 1989-04-11 |
| 4796471 | Techniques useful in determining liquid levels | — | 1989-01-10 |