Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5193100 | Apparatus for detecting gaseous discharge in vacuum furnaces | Robert Hack | 1993-03-09 |
| 4850576 | Heat treatment of materials | Robert Hack, Ralf Peter | 1989-07-25 |
| 4244557 | High vacuum seal | Reinhard Reiter | 1981-01-13 |