Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4278278 | Means for tensioning tubing in a wellhead assembly | Joe G. Chambless | 1981-07-14 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4278278 | Means for tensioning tubing in a wellhead assembly | Joe G. Chambless | 1981-07-14 |