Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4341441 | Method of making solid preforms and optical fibers drawn therefrom | Philip W. Black, John Irven | 1982-07-27 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4341441 | Method of making solid preforms and optical fibers drawn therefrom | Philip W. Black, John Irven | 1982-07-27 |