Issued Patents 2005
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6978580 | Solid core concrete block and method of making a concrete block retaining wall | Ryan Clark, Michael J. Martinez | 2005-12-27 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6978580 | Solid core concrete block and method of making a concrete block retaining wall | Ryan Clark, Michael J. Martinez | 2005-12-27 |