Issued Patents 1982
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4341441 | Method of making solid preforms and optical fibers drawn therefrom | Paul E. Lighty, John Irven | 1982-07-27 |
| 4335934 | Single mode fibre and method of making | John Irven | 1982-06-22 |
| 4327965 | Single mode fibre and method of manufacture | — | 1982-05-04 |