Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6216492 | Methods and apparatus for providing quartz glass connectors | Heinz Herzog, Helmut Leber, Jurgen Pottker | 2001-04-17 |
| 5904182 | Methods and apparatus for providing quartz glass connectors | Heinz Herzog, Helmut Leber, Jurgen Pottker | 1999-05-18 |
| 5562774 | Coated quartz glass component | Dietmar Hellmann, Helmut Leber | 1996-10-08 |
| 4414014 | Method of producing a bubble-free vitreous material | Rolf Bruning, Norbert Cibis, Fritz Aldinger, Waltraud Werdecker | 1983-11-08 |