Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5274573 | Ultrasonic web edge detection method and apparatus | Raymond A. Buisker, James Hugo Martyn | 1993-12-28 |
| 5072414 | Ultrasonic web edge detection method and apparatus | Raymond A. Buisker, James Hugo Martyn | 1991-12-10 |
| 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 |