Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9074430 | Composite limit collar | David Levie | 2015-07-07 |
| 9038738 | Composite centralizer with expandable elements | David Levie | 2015-05-26 |
| 8991487 | Pull through centralizer | Gregory Paul Roger, Miles Norman Sweep | 2015-03-31 |
| 8960278 | Pull through centralizer | Gregory Paul Roger, Miles Norman Sweep | 2015-02-24 |