Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9358449 | Device for playing football | Gregor Altenburger | 2016-06-07 |
| 9302191 | Yo-yo toy | Gregor Altenburger | 2016-04-05 |
| 8002650 | Play and sport device for lobbing and catching a flying object, which can be played using one hand | Gregor Altenburger | 2011-08-23 |