Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4862374 | Navigational plotting system | — | 1989-08-29 |
| 4814771 | Apparatus and method for receiving and proessing Loran signals | Dennis E. Bahr, Neil K. Fortney, Michael Skroch, Kendall E. Post | 1989-03-21 |