Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5858493 | Tapered composite structural member and method of making same | — | 1999-01-12 |
| 5576081 | Composite structural element and process for making same | — | 1996-11-19 |
| 5405668 | Composite structural element | — | 1995-04-11 |
| 5004574 | Method of making a composite structural element | — | 1991-04-02 |
| 4714377 | Method of laying pipe sections | Henry Happy | 1987-12-22 |
| 4647080 | Pipe joint | Henry Happy | 1987-03-03 |