Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6731225 | Method and apparatus for detecting and measuring thickness of ice on aircraft | — | 2004-05-04 |
| 6072425 | Terrain bias compensator for doppler navigation systems | — | 2000-06-06 |
| 5923281 | Terrain bias compensator for doppler navigation systems | — | 1999-07-13 |
| 5460556 | Variable buoyancy buoy | Denis J. Logan | 1995-10-24 |