Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4300417 | Method and device for machining glass and vitreous material as well as work-piece of glass or vitreous material machined according to the method | Johannes C. G. Teunissen, Rudolf Brehm, Jan Haisma | 1981-11-17 |