Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6263730 | Downhole pump strainer data recording device and method | Fred Zillinger, Terry McColl | 2001-07-24 |
| 5748471 | Well collar identification method | — | 1998-05-05 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6263730 | Downhole pump strainer data recording device and method | Fred Zillinger, Terry McColl | 2001-07-24 |
| 5748471 | Well collar identification method | — | 1998-05-05 |