Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7287739 | Fast closing well choke | Dean Arnison, David N. Spencer | 2007-10-30 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7287739 | Fast closing well choke | Dean Arnison, David N. Spencer | 2007-10-30 |