Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5075005 | Filter apparatus for producing aromatic extracts | — | 1991-12-24 |
| 4957632 | Valve closing device for a filter vessel in a beverage maker | Jurgen Bockstiegel, Peter Ullrich | 1990-09-18 |
| 4930687 | Decanter with attached spout-handle and method of making same | Heiko Rieken | 1990-06-05 |