Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5231247 | Compartment module and distribution system assembled therewith | Ysbrand P. J. M. Ponsioen | 1993-07-27 |
| 5166860 | Metal-encased modular medium-voltage distribution system | Ysbrand P. J. M. Ponsioen | 1992-11-24 |