Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6427787 | Drilling motor that operates pursuant to the Moineau principle for drilling deep holes | — | 2002-08-06 |
| 6345812 | Plate-like water aerator | Andreas Jäger, Christian Jäger, Claudius Jager | 2002-02-12 |