Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4866626 | Navigation by a video-camera sensed ground array | — | 1989-09-12 |
| 4848158 | Single-axis centrifugal rate sensor | Asbjorn M. Severson | 1989-07-18 |
| 4822181 | Hydrostatic support device and method | — | 1989-04-18 |
| 4795259 | Path length control mechanization for a ring laser angular rate sensor | Mark W. Weber | 1989-01-03 |