Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4389229 | Methods and apparatus for fabricating a lightguide preform | Sei-Joo Jang, Knut D. Pohl | 1983-06-21 |
| 4304581 | Lightguide preform fabrication | — | 1981-12-08 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4389229 | Methods and apparatus for fabricating a lightguide preform | Sei-Joo Jang, Knut D. Pohl | 1983-06-21 |
| 4304581 | Lightguide preform fabrication | — | 1981-12-08 |