Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4817112 | Low cost ring laser angular rate sensor | Harry A. Gustafson | 1989-03-28 |
| 4807998 | Ring laser having amplitude and phase controlled externally injected back scatter | — | 1989-02-28 |
| 4795259 | Path length control mechanization for a ring laser angular rate sensor | Werner Egli | 1989-01-03 |