Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4934818 | Refractive index profiling technique | Werner J. Glantschnig | 1990-06-19 |
| 4389229 | Methods and apparatus for fabricating a lightguide preform | Sei-Joo Jang, Mansoor A. Saifi | 1983-06-21 |