Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5809712 | System for joining precast concrete columns and slabs | — | 1998-09-22 |
| 4889451 | Driven pile with transverse broadening in situ | — | 1989-12-26 |
| 4813816 | Driven pile with transverse broadening in situ | — | 1989-03-21 |
| 4733994 | Driven pile with transverse broadening in situ | — | 1988-03-29 |