Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6684477 | Prestressed concrete fence post assembly and method of construction | — | 2004-02-03 |
| 5832688 | Lightweight, prestressed tower | Glenn C. Crissey | 1998-11-10 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6684477 | Prestressed concrete fence post assembly and method of construction | — | 2004-02-03 |
| 5832688 | Lightweight, prestressed tower | Glenn C. Crissey | 1998-11-10 |