Issued Patents 2003
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6649015 | Method of making fitting joint for double containment pipe | John Allen, Alec Ewen | 2003-11-18 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6649015 | Method of making fitting joint for double containment pipe | John Allen, Alec Ewen | 2003-11-18 |