Issued Patents All Time
Showing 26–27 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6011705 | Electric circuit for reducing harmonic currents | Christian Duca | 2000-01-04 |
| 5657798 | Intermingled synthetic filament yarn for manufacturing industrial woven fabrics | Wolf R. Krummheuer, Volker Siejak, Hans A. Graefe | 1997-08-19 |