Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4861980 | Optical sensor having stationary co-terminus ends of the input and output optical fibres | John P. Dakin | 1989-08-29 |
| 4856092 | Optical pulse generating arrangements | — | 1989-08-08 |
| 4849960 | Optical fibre transducer injected data transmission system | John P. Dakin, David Pratt | 1989-07-18 |