Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5676724 | Method of improving the geometrical shape of a tube used for making a preform by selectively etching the bore of the tube | Gilles Barre | 1997-10-14 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5676724 | Method of improving the geometrical shape of a tube used for making a preform by selectively etching the bore of the tube | Gilles Barre | 1997-10-14 |