Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6499413 | Seed planting device and seed drill using such devices | Christoph Kleinknecht, Joachim Muller | 2002-12-31 |
| 6445380 | Keyboard for desktop and portable computer | — | 2002-09-03 |