Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4863237 | Surface treatments for optical fibre preforms | — | 1989-09-05 |
| 4856868 | Cables comprising optical fibres of halide glass | Steven F. Carter, Martin W. Moore | 1989-08-15 |
| 4848997 | Method of preparing a halide optical fibre | John Richard Williams, Steven F. Carter | 1989-07-18 |
| 4836643 | Halide fibre with high numerical aperture | John Richard Williams | 1989-06-06 |