Issued Patents 2003
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6596670 | Use of selected oleophilic ethers in water-based drilling fluids of the O/W emulsion type and corresponding drilling fluids with improved ecological acceptability | Heinz Mueller, Claus-Peter Herold, Stephan von Tapavicza, Rainer Jeschke, Johann F. Fues | 2003-07-22 |
| 6550145 | Portable handheld work apparatus | Andreas Schneider, Jurgen Steinmaier | 2003-04-22 |
| 6536117 | Portable handheld work apparatus | Thomas Schweigert, Klaus-Martin Uhl | 2003-03-25 |
| 6523508 | Manually guided implement | Markus Husges | 2003-02-25 |