Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4636795 | Radio ranging, navigation, and location system with correction for systematic errors | — | 1987-01-13 |
| 4398195 | Method of and apparatus for guiding agricultural aircraft | — | 1983-08-09 |
| 4398198 | Pulse-hyperbolic location system using three passive beacon measurements | Eric Ko | 1983-08-09 |