Issued Patents 2003
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6595278 | Assembly for locking a polished rod in a pumping wellhead | Tony Lam, Irina Khazanovich | 2003-07-22 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6595278 | Assembly for locking a polished rod in a pumping wellhead | Tony Lam, Irina Khazanovich | 2003-07-22 |