Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4838259 | Multi-frequency jet ventilation technique and apparatus | Eric H. Gluck, Henry H. McDonald, Bernard C. Weinberg | 1989-06-13 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4838259 | Multi-frequency jet ventilation technique and apparatus | Eric H. Gluck, Henry H. McDonald, Bernard C. Weinberg | 1989-06-13 |