Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9637138 | Towing system for towing a user on a support material | Alan Kathan | 2017-05-02 |
| 9637139 | Rigid tensioning member and tension measuring device for a towing system for towing a user on a support material | Alan Kathan | 2017-05-02 |