Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4311501 | Method and apparatus for the production of preforms for optical fibres | Pierre Zimmermann | 1982-01-19 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4311501 | Method and apparatus for the production of preforms for optical fibres | Pierre Zimmermann | 1982-01-19 |