Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8414990 | In particular frustoconical hollow body which can be stabilized by positive air pressure and can be anchored on an underlying surface via bracing means | Michael Arnold | 2013-04-09 |
| D637247 | Pair of air race gates | Michael Arnold | 2011-05-03 |
| D633963 | Air race gate | Michael Arnold | 2011-03-08 |