Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9927055 | Coupling with components which prevent interchangeability | Edwin John William Zonneveld | 2018-03-27 |
| 9347592 | Interlock coupling with components which prevent interchangeability | Edwin John William Zonneveld | 2016-05-24 |