Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5677622 | Current sensor using a Sagnac interferometer and spun, single mode birefringent optical fiber to detect current via the Faraday effect | — | 1997-10-14 |
| 5646593 | Child proximity detector | Michael Hughes, William Hewlett | 1997-07-08 |