Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4888480 | Optical sensing arrangements with wavelength and time-displacement detection | John P. Dakin | 1989-12-19 |
| 4865416 | Optical sensing arrangements | — | 1989-09-12 |
| 4849960 | Optical fibre transducer injected data transmission system | John P. Dakin, Christopher Wade | 1989-07-18 |