Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4936891 | Process and apparatus for the vertical drawing of glass tubes with sealed bottoms | — | 1990-06-26 |
| 4851022 | Method and oven for ceramising glass plates | — | 1989-07-25 |
| 4820329 | Methods for the batchwise production of glass | — | 1989-04-11 |
| 4630280 | Electrode arrangement | — | 1986-12-16 |
| 4619682 | Method for operator-controlled molten glass lump processing | — | 1986-10-28 |