Issued Patents 2011
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7966772 | Tubular insert for excavated hole with safety cover | Bernard George Bartels, Darren Bartels, Darren Van Buuren | 2011-06-28 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7966772 | Tubular insert for excavated hole with safety cover | Bernard George Bartels, Darren Bartels, Darren Van Buuren | 2011-06-28 |