Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9038740 | Apparatus and method of forming a plug in a wellbore | Gunnar Lende | 2015-05-26 |
| 6725935 | PDF valve | David D. Szarka | 2004-04-27 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9038740 | Apparatus and method of forming a plug in a wellbore | Gunnar Lende | 2015-05-26 |
| 6725935 | PDF valve | David D. Szarka | 2004-04-27 |