Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6832582 | Two-stroke engine and method of making the same | Helmar Amend, Joachim Bretz | 2004-12-21 |
| 6688404 | Portable handheld edge cutter | Klaus-Martin Uhl, Claus Strodthoff | 2004-02-10 |