Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4526294 | Dispenser for dispensing liquids in controlled quantities from a bottle | Adolf M. Hirschmann, Hans Rieker, Hans-Peter Busch, Willi Rathke, Heinz P. Maul | 1985-07-02 |