Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7255163 | Convertible rotary seal for progressing cavity pump drivehead | — | 2007-08-14 |
| 5791411 | Wellhead stuffing box for rotating rod string | Dale Ricalton | 1998-08-11 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7255163 | Convertible rotary seal for progressing cavity pump drivehead | — | 2007-08-14 |
| 5791411 | Wellhead stuffing box for rotating rod string | Dale Ricalton | 1998-08-11 |