Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5529656 | Method of making fitting joint for double containment pipe | Alec Ewen, Robert Gurney, Michael Potts | 1996-06-25 |
| 5433484 | Double containment pipe and fitting joint | Alec Ewen, Robert Gurney, Michael Potts | 1995-07-18 |
| 4223775 | Driving and braking apparatus | — | 1980-09-23 |