Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5966789 | Apparatus for assisting in the insertion of an elongate plastic pipe within an existing pipe | Dudley Trevor Dickson | 1999-10-19 |
| 5673469 | Method of installing a plastic pipe into an existing steel service pipe | Dudley Trevor Dickson | 1997-10-07 |