Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4791017 | Hard, gold-colored under layer for a gold or gold-containing surface layer and an article therewith | Dieter Hofmann, Helmut Petersein, Wolf-Dieter Munz | 1988-12-13 |
| 4530100 | Vaporizer crucible for vacuum vapor-deposition | Albert Feuerstein, Helmut Warscheit | 1985-07-16 |
| 4428809 | Method and apparatus for forming electrically conductive transparent oxide | Wolf-Dieter Munz, Rolf Adam, Heinz Wenzl | 1984-01-31 |
| 4408563 | Apparatus for regulating the evaporation rate of oxidizable substances in reactive vacuum deposition | Walter Zultzke | 1983-10-11 |
| 4287224 | Method for regulating the evaporation rate of oxidizable substances in reactive vacuum deposition | Walter Zultzke | 1981-09-01 |