Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9211663 | Device for compacting a granular mass such as concrete cement | — | 2015-12-15 |
| 6054079 | Method and installation for compacting a granular mass, such as concrete mortar | Anne Huig Den Boer | 2000-04-25 |
| 5783230 | Compacting installation | Anne Huig Den Boer | 1998-07-21 |