Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9238525 | Drain assembly for a tank or containment vessel | Blake Ducharme | 2016-01-19 |
| 7146835 | Method and apparatus to reduce slot width in tubular members | Terry McLean, Richard Ariss | 2006-12-12 |
| 7073366 | Method and apparatus to reduce the width of a slot or opening in a pipe, tube or other object | Terry McLean, Richard Ariss | 2006-07-11 |
| 6112570 | Method for making slots in metal pipe | — | 2000-09-05 |