Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4480569 | Container for ground material removed by a ground working device from the bottom of a watercourse | Abraham van der Veen | 1984-11-06 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4480569 | Container for ground material removed by a ground working device from the bottom of a watercourse | Abraham van der Veen | 1984-11-06 |