Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4675823 | Ground proximity warning system geographic area determination | — | 1987-06-23 |
| 4567483 | Position based ground proximity warning system for aircraft | Charles D. Bateman, Michael M. Grove, Wallace E. Ward | 1986-01-28 |