Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6776228 | Ball dropping assembly | Gerald Pedersen | 2004-08-17 |
| 6715541 | Ball dropping assembly | Gerald Pedersen | 2004-04-06 |
| 6672384 | Plug-dropping container for releasing a plug into a wellbore | Gerald Pedersen | 2004-01-06 |