Issued Patents All Time
Showing 51–54 of 54 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D568811 | Motor | Egbert Dargel, Michael Handwerker, Christoph Nöth | 2008-05-13 |
| 5314260 | Finger pen | — | 1994-05-24 |
| 4596339 | Seal for screw caps | — | 1986-06-24 |
| 4262535 | Apparatus for metering or distributing the volume of liquids | — | 1981-04-21 |