Issued Patents 1989
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4888480 | Optical sensing arrangements with wavelength and time-displacement detection | David Pratt | 1989-12-19 |
| 4885462 | Optical fiber sensing systems | — | 1989-12-05 |
| 4861980 | Optical sensor having stationary co-terminus ends of the input and output optical fibres | Christopher Wade | 1989-08-29 |
| 4853534 | Optical fiber sensing system | — | 1989-08-01 |
| 4849960 | Optical fibre transducer injected data transmission system | Christopher Wade, David Pratt | 1989-07-18 |