Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D435231 | Vase | — | 2000-12-19 |
| D434862 | Candlestick | — | 2000-12-05 |
| D432362 | Bowl | — | 2000-10-24 |
| 5795366 | Method of manufacturing a non-sag tungsten wire for electric lamps | Michael Salmen, Hans-Joachim Lunk, Alfred Gahn, Bernhard Altmann | 1998-08-18 |
| 5785731 | Process of making a non-sag tungsten wire for electric lamps | Joachim Fuchs, Alfred Gahn, Hans-Joachim Lunk, Michael Salmen, Burkhard Ziemer | 1998-07-28 |
| 4699806 | Method of producing fluoride-sensitive diaphragms | Thomas Günther, Peter Janietz, Werner Moritz, Lothar Müller, Hans Wellner | 1987-10-13 |