Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7300066 | Folding frame for a tricycle, scooter or child's bicycle | Joachim Kettler, Heinz Kettler | 2007-11-27 |
| 7210696 | Folding frame for a tricycle, scooter or child's bicycle | Heinz Kettler, Joachim Kettler | 2007-05-01 |