Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6293347 | Sleeve and method of use for preventing polish rod scoring by a pump jack carrier structure | — | 2001-09-25 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6293347 | Sleeve and method of use for preventing polish rod scoring by a pump jack carrier structure | — | 2001-09-25 |