Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4929126 | Method for installing a screen of flexible material in the soil | Bastiaan G. Steenbergen, Arie A. Hofman | 1990-05-29 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4929126 | Method for installing a screen of flexible material in the soil | Bastiaan G. Steenbergen, Arie A. Hofman | 1990-05-29 |