Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4857922 | Windshear detection and warning system with evasion command | Terry L. Zweifel | 1989-08-15 |
| 4848806 | Redundant seal for pressure vessels | — | 1989-07-18 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4857922 | Windshear detection and warning system with evasion command | Terry L. Zweifel | 1989-08-15 |
| 4848806 | Redundant seal for pressure vessels | — | 1989-07-18 |