Issued Patents 2021
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11174882 | Cable hook of a fixing device for a trampoline | Erwin Bisang | 2021-11-16 |
| 10989275 | Cord hook and covering system for a trampoline | Erwin Bisang | 2021-04-27 |
| 10920853 | Elastic element for securing a jump mat to a trampoline frame | Erwin Bisang, Ludwig Durrer-Kuettel | 2021-02-16 |
| 10898748 | Fastening device for a trampoline | Erwin Bisang, Ludwig Durrer-Kuettel, Silvan Schwarz | 2021-01-26 |