Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5971666 | Pipe laying vessel | Robert G. Martin, Stephen John Roberts | 1999-10-26 |
| 5836719 | Pipe laying vessel and method | Robert G. Martin, Stephen John Roberts | 1998-11-17 |
| 5170562 | Cutting/incising tool | — | 1992-12-15 |