Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6468003 | Composite pile with tapering lower portion and method for driving pile into granular soil | John James Dougherty | 2002-10-22 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6468003 | Composite pile with tapering lower portion and method for driving pile into granular soil | John James Dougherty | 2002-10-22 |