Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4636235 | Method for producing optical fibers | Bertram Glessner, Paul Pitsch, Peter J. Heinen | 1987-01-13 |
| 4636236 | Method for producing a preform for drawing optical fibers | Bertram Glessner, Paul Pitsch, Peter J. Heinen | 1987-01-13 |